Exactly! That's so much time and energy that could be spent on improvement instead!
maybe this sounds immature , but i figure it's because people are unhappy with their own selves or work
I think it's mainly about people wanting to feel like they are better than other people or are unhappy with themselves/their work and think that putting other people down will make them feel better.
Because it's easier to break down "threats" than toning down the ego and use this energy to improve better ;) Well, more seriously, some people are just like this ...
Separate names with a comma.