It's generally a bad idea to suddenly slap a severe penalty on something previously legal, unless you plan to spend the effort to educate everyone about it. Tos

It's generally a bad idea to suddenly slap a severe penalty on something previously legal, unless you plan to spend the effort to educate everyone about it. Tossing a bunch of people in jail that simply never learned of the law being changed doesn't benefit anyone. There was huge efforts to education people about drunk driving, and we've ramped up the penalties over time.