this is also incorrect, EDM has multiple meanings over time and space - are you being annoyed at the contemporary American use of it to mean "inoffensive dance music"?
Agreed. EDM just means Electronic Dance Music. The issue is that it has also become the name of a generic genre of such music that is terrible and that is the visceral image most people get when you say the acronym. But that image is inaccurate.
wikipedia has a whole section on it: https://en.wikipedia.org/wiki/Electronic_dance_music#Termino...