EDM, this ugly duckling became a golden goose!

Electro phenomenon, planetary stars, hits by hundreds, huge festivals...
The whole planet has succumbed to this electronic music genre...
But... what is EDM? Why is it a problem? Why is it so decried?

Articles and sources:
Kyami's very funny channel for DJ fails:    / mazetard  

Marshall Jefferson interview: https://mixmag.net/feature/marshall-j...
Interview with Seth Troxler: https://www.beatportal.com/features/a...