Moreover, there is already evidence to show that many in the trans community are, in fact, demanding use of a wide range of pronouns.

Also, they are quick to conflate disagreement with hate speech, and disagreement with justification for physical violence on their part.  Witness the arguments of Prof. Hatt at U of T, or the assaults committed by Val Williamson and Meera Ulysses of the same institution.

Any of the trans folks in my circle (the first transitioned in '93) simply want to live life normally and go about their business.  To a person, they all use he or she as appropriate.