Did you actually read the “controversy” section?

A malicious adware media player - not related to Tampermonkey - installed Tampermonkey on your device to do bad stuff. And they could have done the same with any other userscript extension, like the suggested Violentmonkey. The wiki section even states:

This does not mean that Tampermonkey is malicious, but rather that a malicious program is utilizing a legitimate program for bad behavior

It’s fine to advocate and promote open source software, but why do that with lies and slander?

Return to office has made me quit.

Windy.com

Probably with UKV as the main forecast model to check. Should definitely compare the other models as well to get a clearer picture of what to expect.