Why? It’s our government (in theory), no reason we shouldn’t make laws to the benefit of the people.
When the private sector consistently refuses to self regulate bad behavior, the law can and should step in.
It should, but doesn't, when the private sector has bought the public sector.
Eh. If the EU can make a law requiring every website to make me click through a popup regarding the types of strings my browser will put in the `Cookie` header, I think the US can make a law requiring every app to let me choose what types of notifications it sends me.