Earlier quoted context omitted.
The confusion, especially on X, is caused by focusing on what advertisers want vs what users want
No, Twitter was never especially advertiser focused, although it did do a bit of "brand" stuff. The destruction of Twitter was because as a a "free speech platform" it naturally picked up the most aggressive, nastiest, confrontational politics. It then algorithmically shoved this in front of the people most likely to make retaliatory posts. It is dying because it now focuses on what the owner wants, which is a set of…
The secret, always is - follow new people in small increments and generously unfollow at the slightest annoyance. There are still lots of interesting people to find!
You'll discover there's people on both sides of political issues who can make their points and not be annoying about it but these are maybe 1-3% of political people. You can also completely ignore politics by being judicious with your unfollows.