Agreed.
Perhaps, but that's stupid since anyone can listen to it and thereby form an opinion.
As for the song...This is not bad. It is not awful. It is not stupid. It is where bad and awful and stupid and bad combine together like the Voltron episode That Sanity Forgot and destroy anything remotely resembling artistic talent or good feeling.
Sure I'll grant it's for a good cause, but that's no excuse for not even making an effort. If anything, they should have tried harder. So in the end all it does is reveal its own hypocripsy; they're not getting paid enough for their time to give a rat's ass about Haiti.