Politicians can change their opinions. That's the POINT. They're supposed to, when faced with evidence over time, change their minds, and you see someone doing that now. Don't condemn the very thing you need them to be doing.

Look the Knife Lobby in Japan is out of control and needs to be held accountable. I blame all the Ninja in popular media. You can defend your home just fine with nunchacku which are perfectly safe in trained hands.