Some people definitely use it as such and I do think it became more and more common as the previously mentioned habit of treating accepting criticism as a weakness started being normalized. It’s something worth keeping in mind but preferably within reason. It’s also worth remembering that besides the usual jerks there are people who mean well but are complete trash when it comes to communicating - this is another issue with the lack of proper teaching about how to approach criticism in my opinion.
That said, just because someone tries to belittle you for your mistake or can’t provide proper feedback doesn’t mean the actual criticism is wrong. Sure, you shouldn’t take everything people say as complete truth but rather use it for introspection instead. They might have a point, even if they try to use it against you.
I don’t disagree with your point, humans aren’t always a nice and friendly bunch. I do think however that some people use this kind of thinking to shield themselves from accepting their own shortcomings. I used to be terrified of people criticizing my work/knowledge/actions and would react with anger (in my head and towards myself) for letting myself get to this position. It’s something that can be really hard to overcome.
Again, I don’t want to present my way of thinking as the one true way. I was lucky enough I didn’t have to deal with people trying to put me down for their own benefit (or fun) so my mindset is a bit more… idealistic (?) than if I were bullied as a kid or trampled as a coworker. There is no perfect answer and the best I can do is to try doing what I preach.
I’m also interested in how other people approach this question so I’ll be coming back to reading through this thread when I have some time.