I don’t think it’s actually being that negatively received, I just simply think that no one wants to read a thread that’s “The New iOS Is Good, I Have No Problems, It Works Great”.
That’s not fun, that’s not interesting.
Complaints? Hyperbole? Anger? Now that’s fun, that’s interesting, that’s something to interact with.
If you go off of these forums and (especially) Reddit, every version of iOS, macOS, Windows, android, whichever OS is the worst ever, never been anything worse, the buggiest, the most inconsistent, the glitchiest.
And this goes back to the days of iPhone OS 1.1, which, yes, you can seriously find posts in the archives of people absolutely swearing up and down that 1.0 ran better than 1.1.