[ansel12]

Not re-legalise.

Like all laws, the law doesn’t get written until the problem arises.

[JustSayNoToNannies]

And for most of those centuries when it was busy not catching on, it was legal - so where's the worry in relegalizing it?

Not re-legalise.

Like all laws, the law doesn’t get written until the government claims that a problem arises.

There, now that's correct.