It's absolutely a slippery slope - but most parents know how this is a very real thing as well. There's no controversy in having drugs, guns, alcohol, porn and other things 'behind the counter' - the intellectual debate over freedom of information is clouded by ideology.
Definitely the 'slippery slope' debate is worth having, but that's way more relevant than the 'should 10-year-olds be able to do whatever' (aka all or nothing internet) which I think, if we took a vote, most people would be fine with nominal age restrictions, on that basis and on that basis alone aka outside the 'scary government' issue, which is again, real and material but nevertheless a separate concept however pragmatically engulfed these things are.
Definitely the 'slippery slope' debate is worth having, but that's way more relevant than the 'should 10-year-olds be able to do whatever' (aka all or nothing internet) which I think, if we took a vote, most people would be fine with nominal age restrictions, on that basis and on that basis alone aka outside the 'scary government' issue, which is again, real and material but nevertheless a separate concept however pragmatically engulfed these things are.