I found his relentless self-promotion really distracting and annoying. And presenting lambda calculus in terms of his own language only makes it more confusing

I found his relentless self-promotion really distracting and annoying. And presenting lambda calculus in terms of his own language only makes it more confusing. However, I am impressed with the tenacity it took to trace the paper to its origin and there's a lot of interesting story in the process.