These are already against the law, and most of us "liberaltarians" support such laws.
I think he understands that there are laws against such things. I think he is calling you (i.e., libertarians) a hypocrite for accepting those laws when you get so indignant about others.
Not a responsive answer, nor a good one. You contradict yourself.
Being “against the law” is a mutable condition - it could be legalized tomorrow, and the market for child rape is eager and waiting.
I don’t give a monkey’s about what so-called libertarians - aka amoral perverts - “support”, since it’s not about them, it’s about right and wrong.