My surname is often mis-pronounced. I offer a correction to the miscreant if I wish to, then expect it to be pronounced correctly henceforth.
An ex boss didn't get the hint after three or four attempts.
My response was, "My name is ***** Flintstone."
"My name's not Flintstone." was his reply.
"And mine's not ****." was my retort.
We never quite hit it off. Flintstone made me redundant. He got the sack soon after