hmm, why does that interview make you think that he's an IEE? The majority of his songs deal with very agressive emotions, overthrowing the government, starting a revolution etc.
https://www.youtube.com/watch?v=-oKdvFCC8Tc
He's the opposite of a Ne valuing type, has a very black and white view on most things. I also don't see any delta values. (but I guess we're moving away from the thread topic)