I'm going to ignore the fact that you've started a discussion with some ad-hominem attacks and debate in good faith.I did read the article. I wouldn't comment on an article I haven't read. I didn't like the film, I felt it was underwritten and lacked the usual punch of a Pixar film - however that is by-the-by.
Of course I don't believe that 'racism' is a self-imposed victimhood. That would be an idiotic position for anyone to take. Racism does exist and it is clearly a problem across the world.However, blindly accepting that anyone can define something as 'racist' is equally stupid. If I told you that your comment was racist, would that make it so? The label ceases to have any objective truth attached. If we can ascribe the label 'racist' to anything we don't like. If we then dismiss any objections as 'racist' - then we aren't forwarding the conversation about race in any menaingful way.
Subjectivity does not make it truth. Assertion of something, and the removal of the right to question that assertion through a KafkaTrap doesn't aid the discourse at all. It allows the loudest and often least insightful people to lead, others forced to blindly follow. That is true of people regardless of the colour of their skin. If I think someone is wrong, I tell them and I open a debate. I do that whether they're - black, white, asian, jewish, mixed-race - whatever. That's treating people equally.
You can reply if you want. I've no doubt that you've been triggered by my reply - but be careful. You don't know my ethnicity, are you sure the argument you're making isn't racist?