People used to buy cocaine toothache drops and give them to children to get them to shut up. People used to send babies by post. Just because people like something doesn't mean it doesn't have terrible effects. [1]
> single most dangerous idea
I mean, sure after guns, drugs, superbugs, global nuclear war, climate change, super-plague produced by synthetic biology...
1 - https://www.irishtimes.com/life-and-style/health-family/coca...