it is because large majority of the population cannot comprehend that (especially in america) they have very little freedom. so then you mention “ban” and we all go “oh shit this is a free country “slippery slope banning ____” however, all the shit that is already banned - ahhh that’s ok, just don’t ban any more thing (unless it is something I want to ban…)
Your 12-year old child *can snort cocaine in school tomorrow, if they want.
Precluding availability, and/ or a physical restriction (by others) there is no reason why they can't.