loved it! at the risk of explaining something donβt care about, the reason time boffins are worried about the backward leap second is that the first few times they had forward leap seconds, there were all sorts of computer glitches from things that dealt with time, and this is just as untested.
Former time boffin here, (really). One of the major activities of working for a time equipment company is trying to convince people that they need access to much more precisely accurate time than they actually do.