Where did the meme come from that the tenets of Christianity

Because honesty and decency are foreign to them, so naturally they believe it's also foreign to everyone else.

Gibbon had a pretty similar view of Christianity as imposed onto Europe from the outside a couple centuries before those guys. The antichristian undercurrent of the Enlightenment is probably where it began as a modern school of thought, but you have to remember that it's also just true to an extent. The Roman emperor Julian, who attempted (futilely) to dechristianize the empire, lamented the fact that Christians gained following due to their charitable and open-handed practices.

>>3256656
>to them

Germans?

>>3256639
Was a thing at the time of Julian the Apostate. Christianity's core beliefs come from the middle east. It was married with Greek and Western philosophy over time but at its core its not a native religion to Europe.