I've been in Allen's shoes a few times over the years - doing something (sometimes doing a lot) to help somebody out, having it work, and then getting shut out completely of the subsequent success for no other reason than they see the opportunity to "build a career" for themselves and now that they've gotten to the point where they can (and might well not have gotten w/o your help), hey, later. "I did it all by myself!" Yeah, sure you did...
It hurts, and you never forget. Fortunately, I've been able to get enough going on my own that I have gotten credit for that I look at those past experiences as so much "hey, you got me, fuck you, asshole, I'm moving on". But, yeah, you never completely forget. Or forgive. Even though you should. In the wrong place at the wrong time under the wrong circumstances, that shit can still turn me evil. And that ain't good.
All I'm saying is that y'all oughta cut Allen a little bit of slack, at least up to this point. And that Allen oughta let go of it now before it gets bigger than it needs to be. Because it can get a lot bigger than it needs to be. I know from experience.