It doesn't matter why it failed. Apple decided not to fulfill their responsibility in this case, for whatever reason, so I agree with the GP that Apple should not be trusted with the key.
Yes, because clearly whatever someone said in an HN comment is the full story and nobody would ever lie or distort to reap karma among a community of knee-jerk Apple-haters.
"Assume good faith." "Please don't post insinuations about astroturfing, shilling, brigading, foreign agents, and the like. It degrades discussion and is usually mistaken." https://news.ycombinator.com/newsguidelines.html
