Wait, those questions have not been answered like that except by politicians and some panicky people, certainly haven't heard of it being the considered opinion of the majority.
Your point about the internet being an infinite town square that nobody wants to use — to wit that is why nobody uses it. What people do not understand is that a predator will either ask chat-gpt how to harm children and then do it, or not do it at all.
Mandating that every entity that is in a position to censor LLMs to do so in a way that fits their world view, we are quite literally mandating the safety of every child on earth. We have already had great success with this with other technologies; for example there are no books or web pages that describe grooming children. That sort of information could only originate synthetically inside of an LLM.