Hmm… I admit I didn’t follow the video and who was speaking very well and didn’t notice hostility that others seem to pick up on. I’ve worked with plenty of people who turn childish when a technical discussion doesn’t go their way, and I’ve had the luxury of mostly ignoring them, I guess.
It sounded like he was asking for deeper specification than others were willing or able to provide. That’s a constant stalemate in software development. He’s right to push for better specs, but if there aren’t any then they have to work with what they’ve got.
My first response here was responding to the direct comparison of languages, which is kind of apples and oranges in this context, and I guess the languages involved aren’t even really the issue.