The German government just taught Islam in a Christian religion class.

No, really.

A Green Party motion working its way through the German Bundestag wants to do twenty-four things at once, fund mosques, expand Islamic education in public schools, abolish headscarf bans, establish Muslim chaplaincy in the armed forces, and formally classify anti-Muslim criticism as racism. The full list reads less like a policy proposal than a checklist someone assembled by asking “what would maximum institutional accommodation look like” and then writing it down.

You could argue about any one of those items individually. But buried inside the motion is something that deserves its own conversation, because it happened quietly in Lower Saxony before the national motion was filed, and almost nobody noticed.

The state’s new religious education curriculum, for Christian religion class, mentions Islam more than thirty times. It describes Islam as a “sister religion” of Christianity. It requires teachers to instruct students that human beings are “representatives of Allah.” It mandates visits to mosques. It requires multi-religious prayer. And it reduces Jesus Christ, in a Christian religion curriculum, to five mentions across six years of mandatory schooling.

Five.

Let that land for a second.

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Here is the thing about “sister religions” that nobody is saying out loud.

Calling Islam and Christianity sister religions sounds generous. It sounds like the kind of thing a thoughtful, cosmopolitan educator would say to help children understand their neighbors.

It is also theologically incoherent.

The Jesus of Christian confession was crucified, rose from the dead, and is the second person of the Trinity, the Son of God through whom the world is reconciled to the Father. This is not peripheral to Christianity. It is Christianity.

The Isa of the Quran was not crucified, the Quran says so explicitly (4:157). He is not divine, the Quran says so explicitly (4:171). He is a prophet and messenger who will return at the end of days to correct the errors Christians introduced into his original teaching.

These are not two slightly different perspectives on a shared figure. They are mutually exclusive claims about a historical person. One of them is Christianity. The other is Islam’s explicit theological refutation of Christianity.

A curriculum that teaches children these are “sister” traditions has not built a bridge. It has resolved a two-thousand-year theological argument in Islam’s favor and taught the resolution as neutral pedagogy.

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This is not new. It has a name.

In The Two Muhammads, I describe what happens when Islamic blasphemy norms get translated into Western procedural language: “The Qur’an does not merely disagree with the New Testament. It audits it, rejects its central claims, and then insists it originally agreed with Islam before Christians corrupted it. This is not a position that permits honest dialogue. It is a position that forecloses it, because any Christian claim that contradicts Islam is, by definition within that framework, evidence of corruption rather than evidence of disagreement.”

What the Lower Saxony curriculum has done is institutionalize that foreclosure. It has not asked whether Christianity and Islam can coexist respectfully. It has assumed Islam’s framework, that the two traditions share a common origin that Christians distorted, and built a school curriculum around it.

German Islam scholar Susanne Schröter called the broader Green Party motion the lawfare strategy of the Muslim Brotherhood: gaining control of institutional discourse and connecting with Western power centers. Whether or not you want to use that framing, the structural dynamic is real. You do not need a conspiracy to produce this outcome. You only need institutions that have decided that the most sensitive response to Islamic claims is to validate them rather than engage them.

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The people most harmed by this are liberal Muslims.

Seyran Ateş, a Turkish-German lawyer, a practicing Muslim, and one of the most courageous voices in this conversation, put it plainly: the Green Party’s proposals will strengthen Islamists, not liberal Muslims.

She is right, and here is why.

The version of Islam being embedded into German state education is not the version that reform-minded Muslims are trying to build. It is the conservative, Brotherhood-adjacent version that treats the headscarf as a civilizational symbol and interfaith dialogue as a one-way street. When the German state ratifies that version as the official Islam for public consumption, it doesn’t just inconvenience secular Muslims. It actively undercuts the ground they are trying to stand on.

Liberal Muslims have spent decades arguing that Islam can be practiced without the coercive institutional architecture. The German curriculum just told every student in Lower Saxony that the architecture is fine, that Islam is a sister religion, that Isa and Jesus are the same, that multi-religious prayer is normal, that Sharia is worth learning about in Christian religion class.

That is not inclusion. That is capitulation dressed as pedagogy.

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What an honest response actually looks like.

The answer to this is not hostility toward Muslims. It is not surveillance of mosques or bans on religious dress. It is something more demanding and more important: accurate knowledge.

A Christian who understands the Islamic Dilemma, who knows that the Quran affirms the Bible as authoritative while contradicting it on every major theological point, cannot be told that Isa and Jesus are the same figure and simply nod. They have the tools to recognize the claim for what it is.

That is what preparation looks like. Not fear. Not contempt. Knowledge precise enough to be honest, and charity broad enough to remain respectful while being honest.

The German curriculum failed both tests. It wasn’t honest about what Islam actually claims, and it wasn’t respectful enough of Christianity to let it speak in its own voice.

Five mentions of Jesus. In a Christian religion class.

That’s not a sister religion.

That’s a replacement.