What’s stopping someone from just taking the derivative of a crazy expression, asking stackexchange what the integral is, then answering it themself with what they already know is the anti-derivative

I believe the examples in the post are all definite integrals, not indefinite ones.

Awesome TikTok about her[0].

[0]: https://www.tiktok.com/t/ZT8hGBwyu/

Is there a YouTube version of this?

Why a "menace"?