They blame /pol/ for everything wrong with online trolling concerning any popular film, but no one can provide evidence it's just /pol/ or that other boards maybe involved. /pol/ isn't the only one that hates Marvel films, /tv/, /r9k/ and even some people on /co/ hate cape movies, too. These anons can't prove they weren't involved, but will blame /pol/, which is strange, because many anons from that board hate mainstream films, video games, and etc because they believe it's controlled by Jews, and by that virtue wouldn't be at all associated with it.
In short, /pol/ hates most Hollywood busters, CM isn't the exception, but they're just going to ignore it like they do with all the other films. This is like TLJ or Ghostbusters, where the internet blamed /pol/ for the poor reviews on us 4chan users, AVGN, or even Russia. It's pathetic at this point.