It really tends to fixate on certain things as the conversation grows. I mention what I think once, and it tends to be biased towards that for the rest of the conversation. Hit /clear more often
Much needed list. On the browser front, I recommend giving a try to alternatives like Zen or Helium, which are Firefox and Chromium based respectively.
For AI buttons that specifically bug you, content blockers like uBlock Origin are especially helpful to zap them out of the page.