because parents get to vote same as you, and it looks like they are winning. there are many problems in the libertarian utopia that could be dumped on individuals ("if you don't like it, don't leave your house") but equally unfortunately many prefer a socialist utopia with lots of social and financial controls
I don’t think any parents as constituents had anything to do with these laws.
If voter priorities influence legislature so much, where is our healthcare reform that the obvious majority of people have been demanding for decades?
Many parliaments and legislative bodies throughout the western world continually ignore their constituents’ demands because lobbying bodies with real money get their priorities addressed first.