I think Trent Reznor admitted it. (I don’t think it’s close, but I don’t really like their music) He said it felt like his girlfriend cheated on him and left him)
It would hurt if you put your soul into a project and then somebody comes along and copies your project and they do a better job with half the effort.
Can’t be that bad, when your girlfriend cheats on you, she doesn’t ordinarily send you a royalty payment every month. Having Johnny Cash cover a tune you’ve written and published must have been a nice deal!