>>7134132Finding a target to externalize your frustrations is a the most natural way to avoid having to deal with the pain, even more so when you can get a reaction out of others. You can feel relief by convincing yourself that others are as miserable as you are, or that your misery is justified, even if that requires some contrived rationalization. Trying to put others down just happens to be an easy way to achieve such relief.
tl;dr it looks like hate, but it's just cope