This site is in the process of fighting its own culture war. You have the hardcore communists, anarchists and tankies who were here the longest, and the meme page is on one of their original domains (the ml in lemmy.ml is supposed to stand for marxist-leninist ). And then you have the twitter and reddit refugees who in general lean more center left, liberal, or libertarian. ml was the domain that was advertise the most to people on reddit, and world was where people were directed to once ml's sign ups were limited.
[email protected] is kinda going throught the gaybar effect with the influx of redditors. Like sometimes when a gaybar gets popular, it attracts non-queer customers, who tell their friends, who invite their friends, to the point the original queer customer base gets crowded out. I imagine that's what the marxist-leninist community base is feeling now that a lot of former redditors call their instance home, and their meme page is the defacto meme community of lemmy.
As long as the mods here allow it, and as long as people keep upvoting, this problem isn't going away, no matter how many complaint memes get posted. The best solution I can think of is boost other meme pages on different instances, maybe with mod teams that are more willing to keep the page apolitical (which is hard to do in general cause everyone's definition of political is different.) kbin has a fairly large meme community that could use some more love, same with [email protected]. Hell, considering most users are from world or shitjustworks, I'm surprise I don't see their local meme pages get more use.