Further, if someone thinks it’s already a pain to adapt systems for leap seconds, imagine the pain of ignoring this for decades/centuries and then having to dea

Further, if someone thinks it’s already a pain to adapt systems for leap seconds, imagine the pain of ignoring this for decades/centuries and then having to deal with a massive headache on the scale of the feared Y2K problem. In the spirit of continuous integration and “releasing often” and “let it crash” on smaller scales, leap seconds seem like a pretty good solution for robustness at the global systemic level.