This user thinks English spelling reform is dumb, since we'll have to do it again anyway in a few hundred years, and besides, no writing system is telling me how to talk.
Majority Usage = Correct Grammar
This user recognizes that if most people make the same grammatical "mistake", it ceases to be a mistake and becomes proper grammar, for grammar has no immutable or moral "right" or "wrong" and "correct grammar" is determined by majority usage.