“I've progressed beyond the fallacy of favoring liberalism,”
Fallacy? Reality has a liberal tilt.
"You begin with tolerance for gays,”
Because in and of itself, gay is still a person, harming no one.
“then extend it to trans,”
People harming no one.
“and then you move to all the other fetishes like pedophilia,”
That’s violating consent, though. I wouldn’t move to that.
"beastiality,”
Again, consent issue. I don’t HAVE to support that, no matter how liberal i am.
“incest,”
Guy at one of my commands married his mother. Bragged that it saved on name-changing and change of address cards…. Between consenting adults, I’m okay with it.
“and genetic engineering.”
Higher productivity, fewer pesticides, it lessens the harm.
"Is there even a stopping point?”
Harm. Consent. In the real world, anyway. Not your fantasy landscape.
“I wonder if we are on a slippery slope”
Wonder no more, just get a mirror.
“ and if it will inevitably meet a final backlash someday.”
Your list already gets pushback, idiot.