They have to keep it going because otherwise they'll have to face the horror of what they've allowed to happen to their children. They have too much to lose to admit they made a mistake. I do think some of them were well meaning but badly advised and idiotic but more of them are narcissistic and a trans kid made them cool and special.This an interesting short clip from Helen Joyce. Some of the biggest advocates that will keep this movement going are the parents of trans kids.