I disagree since the stigma comes from people who think anyone with an anime pic is automatically racist - which isn’t true, especially since I’ve seen a lot of anime pfps who are normal online. This whole “anime pfp bad” nonsense stems from the anime fandom - especially K-On - somehow being a magnet for the far-right and antisemites of all people. One theory I have is that anime fits well with their reactionary vision of the world similar to 40k.
Most anime pfps depend on what anime character they use. People with the Dragon Ball (I use Broly pfp) and Touhou pfps somewhat can be okay, but I have found many Hindutva genocide lovers using Eren from Shingeki no Kyojin with a tilak (red/orange mark on forehead) easy to spot on Twitter.
I agree, the stigma is nonsensical and almost as bad as Nazi style stereotypical thinking of “le anime degeneracy”.
Anime horseshoe theory, rabid weebs and rabid antiweebs are incredibly similar.