We have to use a bit of common humanity in our use of language and not go to war over every little difference

Aunt mav, you are so wise! This holds not only for our use of language, but for everything we do, really. We
cannot control what other people say or do, but we can control what WE do. My grandfather had a neat saying:
"If it suits you, it suits me". I may privately rant over someone doing/saying something that offends my sensibilities, but I sure as heck don't have the right to tell him how he ought to change! One of the best maxims I have ever heard came from a former pastor (I've posted this before, I think): There is nothing that can happen to a man that is as important as how he reacts to it.
If someone says, "ain't", I cringe inwardly, but would never think of correcting them.