How lackadaisical has stereotyping gotten that that there is any overlap between the sets {incels, MRAs} and {bros}? Aren't they mutually exclusive by definiti

How lackadaisical has stereotyping gotten that that there is any overlap between the sets {incels, MRAs} and {bros}? Aren't they mutually exclusive by definition? Or does "bro" now mean "any men I don't like"?