This is what happens when you throw all formality out the door. Mrs. Jones or Mr. Smith is replaced by the doorman calling you “mom” or mere acquaintances assuming its OK to just start calling you by your first name before you indicate its OK. We used to have etiquette for a reason. We are realizing, much to late now that its been mocked and destroyed, that it was a good reason.
She also had a big problem with ma’am.