Well the truth is Gio isn't transphobic. I think, ironically, people are being transphobic to Hussie by ignoring the fact she uses any/all pronouns. It's not misgendering to call him him. They use all pronouns, and while I like to mix it up because I don't know Hussie personally, a lot of people who use any/all pronouns want you to stick to one set of pronouns instead of changing them every few seconds.
Basically, people are grasping at straws to discredit Gio and are, ironically, being transphobic against Hussie to "defend" her.