Mass e-mailing Mark Rein would not help. He's not the only party involved. You need to get both parties together - orange games or what's left of it (Guerilla Games mostly) and Epic. It's funny how they both say they'd get the source but it's trouble since the other one has to be involved :P

Of course then there's the engine licensing problem which means Arjan & co won't release the source code for a while.

I do not see from this e-mail exchange how 'annoying' Epic is. You say him you'd pay for the source and he answers that (how'd you pay?). I do not see how the answer is an annoying one. It would be cool if they'd give the source but it's not that simple.