Well I hope she got some royalties for her efforts. She did more than anybody else to increase the proliferation of raunchy and obscene lyrics in popular music.
It's true. Many recording artists would gratuitously insert obscene lyrics into their recordings to earn the coveted PMRC sticker. For it would often double or triple their record sales.
For the same reason, most film makers put in the obligatory violent scene or profanity so that they can avoid the dreaded "G" rating - which is the kiss of death for any film not made by Disney.
“...She did more than anybody else to increase the proliferation of raunchy and obscene lyrics in popular music...It’s true. Many recording artists would gratuitously insert obscene lyrics into their recordings to earn the coveted PMRC sticker. For it would often double or triple their record sales.”
There’s every reason to doubt that, just on the face of things.
Madonna and many of the shock artists of explicit lyrics and visual content came along before the warning label. The label was a response to them.
This sort of music, which persists to this day, is just part of the overall rejection of Christianity going on during modern times in the wealthier, “highly-advanced” nations of the world.
It would be completely surprising if such labels could somehow have stopped this sort of music.
It was to be a tool for parents, though, and a light in darkness, and no doubt it gave light to some.