> Alcohol was fine until hard liquor was invented.

Alcohol is no longer fine?

> Child work was expected, until factories came along.

Doesn't that more have to do with the rising household income (thanks to productivity gains, I'd imagine) and school availability, so people could afford to let their children go to school instead of needing every hand to keep the family afloat?

I've never actually used TikTok, what makes it so much more potent than other products?