As for “Legislating morality”:
The most important “law” to advocate the best morality, would be somehow to prevent “Government” from violating the rights of people seeking to live a moral and just life and developing peaceful civilization organically.
Currently, the Morality Police of Government are the greatest VIOLATORS of The Law. Hummm… what a quandary we find ourselves in. If only we had some sort of Rights or Bill passed that the people animating Government respected and was limited by so that Government itself couldn’t become the greatest destroyers of peace-seeking civilization.