There's an even more basic premise at work here that has nothing to do with LGBTQ matters: Entrusting your children with church people gets them abused. Not 100% of the time but it drastically increases the odds.
Doesn't matter what church, denomination, etc. It's a universal rule that's been around for thousands of years across many different religions. Allow people with no qualifications and designs for power to become authorities and you have a recipe for abuse.