Feanor Self-Important?

[Feanor of the Peredhil]

Put a fiery desire... in the heart of the greatest persuader and orator ever to live.

Reminds me of Hitler.

However, that's not why I'm writing this post. In the very beginning of the Silm, around when Melkor first disrupted the music and such (I'm probably not all that accurate since I had to return the copy of the Silm that I had), wasn't it written that Eru had made it so that all "bad" things that happened on Earth would contribute to the greater good that he imagined? Or something like that? You'd think that the Creator of everything would look at things from a different view than "the end justifies the means."

Fea