"unpopular opinion" then proceeds to give the most generic popular opinion known

They might have cognitive issues.

Haha.
People do that just to grab attention.
Otherwise you won't even bother reading/hearing those opinions.

Everyone just wants to be unique, just like everyone else

This

And some of them "unpopular opinion" and then spout some nonsense that was a popular opinion a century ago and is no longer popular for good reason