I'm not claiming he is mainly motivated by this but it's a fact that his life work will become moot over the next few years as all programming languages become redundant - at least as a healthy multiplicity of approaches as present, it's quite possible at least a subconscious factor in his resentment.

I expect this to be an unpopular opinion but take no pleasure in noting that - I've coded since being a kid but that era is nearly over.