I just remembered a big factor as to why artists such as Madonna have a long career: they managed to appeal to the queer crowd, who tend to be fiercely dedicated to anyone who stands up for them.
As someone who doesn't really follow any sort of pop media or celebrities, I've often heard her songs around on the radio somewhere but just as often have I heard some other over produced pop singer and couldn't have told you if it was Swift or not.
Sounds lower than the bare minimum.