What if most of these cases of AI usage is a matter of accessibility, not malice or bot spam, and the reason we suddenly see so much AI usage is because all these people never had a voice in english before?
That said, I'm sure that what I read now has more noise and less signal than it did a couple of years ago, which I find very sad. More and more of the writing I read daily is clearly AI generated, and it seems that a large proportion of it comes from people with a clear "quantity over quality" mindset. Even reading messages from people I know (who speak English well), I find it's frequently AI generated - I assume because they don't want to summon the effort to write it themselves, and find AI generated text "good enough".
This is not "I need to communicate with a doctor" or another necessity, if you put content out there, presumably it's because you want to communicate. You want to write in another language? That's great, learn the language and help yourself with a vocabulary, even a translator, but write yourself (which is also a way to learn).
I am saying this as a non-English speaker, as it might be obvious.