Yeah, my thoughts exactly.

What's with this double standards of you're adult enough to drive tanks and die in a war, but not adult enough to watch porn and drink alcohol? Pick a lane government regulators.

Either you're and adult and should be treated as one with full rights and responsibilities, or you're not and then shouldn't be drafted and be allowed to do anything major with your life like drink, gamble, and sign loans that will put you in debt for the next 30 years.

Yeah, I don't get that either. I'd also want a binary "you're an adult" vs "you're a child" then we decide what belongs where, and the age is the same for everything. So once you're X, you get to fuck, drink, drive, die in wars, take loans, use social media, watch porn and whatever else we've added age limits to.