He is the single most consistent arbiter of open source, clinging to views we all here admire; With such a dedication that it is hard to imagine ANYONE, even fictional, who would be better suited for that particular position (head of FSF).
Aleniating people is in and of itself not a problem for a leader, it works the same way in any other area: Would you want to attract people to Black Lives Matter who would be alienated by Martin Luther King? Do you really find it problematic that the buddhists don't try to attract people who can't stand the Dalai Lama?
Is it really a Problem that the FSF didn't attract people who would critizise Stallman ONLY on points which have no bearing on the mission of the FSF?
And the article really makes a great point about how most of that criticism consists of misrepresentation, faulty analysis and double standards. Keeping people like that out of the FSF is not only fine by me, it is absolute paramount to keep it working.
FSF is a _fenomenally_ successful organisation in achieving their mission. Free Software is everywhere, it has spawned endless businessess and has completely changed the way people create software.
Irrespective of any moral or ethical concerns, keeping Stallman doesn't seem very pragmatic and forward-looking for an organization that is hurting for young blood anyway.
A leader should be able to recognize when he's driving people away, and act accordingly.