Face it, he was a Gene Simons (KISS) wannabe. Warner had mediocure talent (at best); so he went for 'shock' and it got him noticed. I think almost anyone can recognize songs from the 70's from mega groups (Beatles, Chicago, KISS, Supertramp, ABBA, etc) ... but I doubt very many can recall a single song by "Marilyn Manson".
This is simply a marketing campaign to target a specific demographic - and for that purpose, it's doing exactly what it was intended to do. It got an article written about it. How many other ad campaign get articles written?
He’s an Alice Cooper starter kit.