> There are several ways to avoid that; one way is to use gender-neutral pronouns, since they don't conflict with any possible gender identity.

I have explained elsewhere in this thread why it's problematic to call a he/him trans man "they" and never "him"

> That does not spell a strong opposition to the supposedly preferred use of "they".

A previous version of the guidelines banned singular they. It has single been updated, even though Stallman on his personal site continues his disapproval.

> Is that all it takes to qualify as a transphobe person, despite all the other points

Rejecting gender identities is core to being a transphobe.