Earlier quoted context omitted.
"recent years"? This guy has always been like this, going all the way back to ios hacking days or even wii hacking days.
I used to talk to him on one of those IRC networks for iOS hacking, forgot the name, but a good old friend of mine was involved in the scene, so I dropped in. He is definitely a skilled individual, but he lacks the key thing I think all true senior engineers need: humility. Without humility you're going to find yourself bikeshedding and wasting time and effort on things that may actually not be attainable within your…
I think I have to disagree with humility in engineering. There's a certain arrogance intrinsic to engineering, in that you have to be capable of believing you can find a better solution to a problem than literally every other person in history. Obviously it needs to be tempered in interactions with the outside world, but without that core idea, an engineer can't do their job effectively, like a surgeon who loses their nerve when it comes to taking lives in their hands.