It can be hard when coming across a possessive type individual be it a support site or work or any group really. They tend to view things as "theirs", "their work, their club, their group, their hangout, even their friends or groupies etc.". They can be fragile to the point where if anything you do upsets them they can literally go on rage rants and bad mouth you to others hoping to reclaim whatever they feel they lost due to you. And, it's not always that others agree with them either, either they are not aware and are more focused on themselves, or they have some awareness and hang back not wanting to become a target themselves. Often there is an uptick in how this type of individual tries to take over too, filling the area or space with themselves. It's a form of claiming to win a space or some kind of ownership that you pose some kind of threat to.

People experience this behavior in real life so it's not surprising it exists online as well. And it's always been there too and quite honestly, it's part of human nature sadly. There are so many ways one can see it in human history. It's also not uncommon for a practice of shunning to take place. This is especially true when it comes to politics and religion. Yet it can exist in many places where a certain way is considered desirable and accepted and something new and different is considered a threat. Often there is a presence that has designs on ownership of somekind where they need to stand out the most in some way and anyone who threatens that is considered a bad person.