Why is CA's anti-trans coalition so afraid of conversation?

For whatever reason, I was let back into the Facebook page of the so-called Privacy For All Students coalition, one day after being deleted-and-banned for challenging their views against transgender student protections (and getting them to reveal what their campaign is really all about). So when I was let back in, I left a simple message pointing out how unfortunate it was that they chose to delete my comments, since it (a) is an unfair limitation of speech; and (b) made the thread very confu...