I don't give two fucks about TouchWiz specific-stuff (in fact, this might encourage Android OEMs to stick with stock Android), but what impact will this have on

I don't give two fucks about TouchWiz specific-stuff (in fact, this might encourage Android OEMs to stick with stock Android), but what impact will this have on stock Android? It would really suck to have to depend on 3rd party ROMs for things like pinch to zoom and tap to zoom because Google was forced to remove it from Android.