At this point i just conclude that a truly terrifying amount of people are lowkey mistreating their pets and operate under the assumption that a pretty severely unhappy pet is actually normal.
Like all the "funny" posts about how cats are so unfriendly and whatnot, bitch what the fuck are you doing to your cat to make it behave like that? all the cats i've ever interacted with have at worst been indifferent, and most of the time they'll merrily make their way over for scritches and love.
A violent cat isn't normal and it's not funny, it means it's not happy for crying out loud! i would wager that the most common problem is that they're bored out of their skulls and are in dire need of playtime and ideally having a second cat in the household so they can entertain each other.