I learned enough about security years ago that there's basically zero chance you're secure and almost 100% chance someone is watch everything you do online.

Whether they care is entirely separate.

Ah, yes, the "fuck it" approach to infosec.

It seems to have worked for Fiverr.

Could be accurate but governments can be profoundly incompetent even with great capability at their disposal

"Watching" is doing heavy lifting. "Able to watch" or "being recorded, along with terabytes of parallel information from others", is more apt. Actually discriminating the signal (communications from a desired target, or about a desired topic) from noise is the problem with your "nothing you do will stop them" theory.