PSA
There is a big problem with your sense of self entitlement if you believe that people can't rp a character a certain way. Whether it goes against the grain of how you play them because of a different canon point, au, or just plain old perspective shouldn't, and never will, matter. The joy of playing a character is getting to interact with others, learn insights into how they play them that you never would've thought of otherwise. When you sit there, and you shut people down for daring to play your precious baby in a different light than you? To the extent that you're blatantly ignoring examples and canon points that support how they play them? Big problem.