Actual answer is legitimately mentally deranged schizos who can't think or process any other way, in addition to simple newfags (likely /pol/ diaspora mixture of underage and boomers who mimic and copy the things they saw the last monkey do, in perpetual sequence, so now you have literal clueless retards as well as mentally ill fucks spamming reddit all day).
You like something I don't like? Reddit.
You hate something I do like? Reddit.
You space your posts differently than mine? Reddit.
You post this image that I don't like? Reddit.
You edit this image that I do like? Reddit.
You browse other boards? Reddit.
You only browse this board? Reddit.
You made this thread? Reddit.
You put thought into your thread? Reddit.
You made a low-effort bait thread? Reddit.
And so on and so forth, ad infinitum. I'm fucking sick of it, and only the mods are to blame. They do nothing about it when it's entirely within their power AND RESPONSIBILITY to do so.