I honestly have not seen Colin say anything that would be considered bigoted. If anything, he is targeted because he is the most prominent alt-right figure in a predominantly leftist industry. I've seen people here say way worse things about him then he has ever said about others.
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As for awful things he's done, he's suggested a certain podcaster he didn't like was a likely mass shooter and that he should be reported to the authorities for his and others' safety and other stuff like that.