People who write posts like the GP’s tend to be bullies wherever they can get away being one. So to answer your question: yes, but only if they can avoid getting caught by others.
People who write posts like yours tend to ascertain their moral superiority by psychoanalyzing people on the internet based on a few badly interpreted words
No, you are definitely giving off mean vibes.
If you don’t like what I have to say about you, in your own words, I “suggest you make your profile private and only follow people you have a personal connection with”.
You have said nothing about me since you're talking to a simple username whose life you have no idea about. But I'm not the one here sobbing, so your reply means absolutely nothing