i remember a time right after a president won and was inaugurated. all pages of imgflip were filled with politics on both sides. I'd say over 75%. 2 years later ppl were still crying about it, on both sides. then ppl started leaving in droves. 8 months later, now the mods have been doing some filtering.
all in all, its way better than it used to be. at the end of the day, not many ppl like to argue all day, and if you do like to argue, most ppl don't like to be around you.