FWIW, the restriction upheld was significantly less restrictive than almost every European country.
You have been protesting France's law, right?
It was facinating
But in reality it wouldn't amount to much, since very few countries have as strong a states/province rights as the US.
Dont forget, opinions are dangerous to have in democracy. With each made public (i imagine) you lose something like 0,01% of support. One would best gently discard the other approaches taken.
That they are implemented often with measurable results also prevents making up some idiotic story what you think will happen.
Each country also has a history of law. Its like programming, everything needs to be rewritten and those who rewrite weren't there the last time. It works every time but at some point you should wonder if the right solution is already out there