the actual effect of enforcing this rule in this circumstance is basically to say that implicit political loyalty tests are a normal thing to have on a website for a programming language

on a surface level the statement isn’t controversial in any way, but the particular language that’s used signals something else entirely

No, the rule is about not going on irrelevant tangents and not dingleberrypicking stuff from submissions. Its actual effect is that such diversions get moderated by users and moderators, just like this one did by users.

Fair, you’re probably right

Golang had a very similar statement on their homepage when the Gleam homepage was created.

It's very normal.

Not sure what this was since it appears they just have a link to the code of conduct now.

The type of statement isn’t really the issue, but the specific language used being in the form of political slogans and the “Nazi” bit. I don’t remember seeing anything quite like that on the Go page. Or any other programming language’s page.

Casually calling people nazi on a website for a programming language isn't really cherrypicking and I find it to be quite interesting and very influential in my decision NOT to use this language.

This message is right in your face, it isn't like you have to search for it.