The other thread (https://news.ycombinator.com/item?id=45008239) appeared by coincidence. It looks like it spent quite a few hours on the frontpage overnight, but I had no idea it existed! In any case the Launch HN was scheduled before that.
(Btw, I don't think that "using it made them crash" is correct - https://news.ycombinator.com/item?id=45010327)