You can NOT legislate morals. You can encourage them, you can teach them, but you can't make a law that makes everyone behave in a moral ethical manner.
Same is true for game play. You can't change one facet of game play without it effecting all others.
Anything that limits or prevents people from flying where they want to fly is to go over like a lead balloon.
It won't fly. That dog don't hunt.
Trying to make it so is an exercise in futility.