For many different reasons.
For instance, i have a well know lady friend, who also happens to be a stripper.
For unknow reason, somebody posted she offered BJ's at the club that she is employed at.
Knowing this young lady as well as i do, she never in her wildest dreams would offer such a service to any patron, inside, as well as outside of the club she works at, her morals are just too damn high. Period.
When she found out why so many customers knew her by name, and why they all asked for her, she was PISSEEEEEEEEEEED.
She strips, and gives dances to pay her way thru school, because the money is better than someone can make working at Micky Dees.
Hence, she changed her stage name, and wont admit to any other former name.