With zero prior knowledge of the context, the impression I got from the parent comment was that `parking_lot` had features that made it desirable enough that th

With zero prior knowledge of the context, the impression I got from the parent comment was that `parking_lot` had features that made it desirable enough that there was a decent amount of discussion about replacing the standard lib locks with it. I didn't catch that the previous standard lib option was terrible and has since been replaced with something better.