Comment by summa_tech
8 hours ago
Hacker News is still skewed towards people interested in programming languages (as opposed to actually programming). Probably some sort of Y-combinator Lisp heritage. There's also a persistent minority of CS grads who think that developing / using new programming languages is the most fascinating thing in the world, and some of them hold on to that thought.
It's reasonable that such people would also be interested in design aspects of languages, and UB in C is in that field. Though I would argue that a lot of it was originally accommodating old CPU architectures without compromising performance too badly, and about as much a "design choice" as wheels being round...
There was also a period around the mid-2010s where I had the strong impression that lots of younger ambitious devs were fanatically promoting rust against C's undefined behavior mostly because it gave them a way to differentiate themselves from older seniors within organizations. (And I say this not as an old C diehard, but as someone who watched more than one colleague position himself as the 'rust guy'.)