I used to know a trans woman who advocated for "drop the T". She was an awful person in some other ways as well, but the groups I went to wouldn't do anything because they wanted to be inclusive. It was the paradox of tolerance being played out in realtime, at the cost of anyone who didn't conform to her ideas about sexuality or gender presentation.
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I used to go to Occupy shit and it was a similar deal. They'd let some asshole disrupt every single meeting and say they had to let it happen, in order to be inclusive. Ok. Mm hm. Very weird how that makes the group less effectual and drives people away, or how this person is widely known by the activist community to be an asshole yet you still let him in.
If I were the CIA, I would simply let the man nobody likes speak at length at every single activist meeting, making it impossible for them to plan anything, and accusing them of being ableist if they don't allow him in