Not too uncommon. This (used to be?) is the case for timezones[1]. Even xkcd has joked about it [2]. I think in software once there's one great, free implement

Not too uncommon. This (used to be?) is the case for timezones[1]. Even xkcd has joked about it [2]. I think in software once there's one great, free implementation of a hard problem there's a tendency to stick with it. If that project is maintained by one person, then so be it. 1. https://onezero.medium.com/the-largely-untold-story-of-how-one-guy-in-california-keeps-the-worlds-computers-on-the-right-time-a97a5493bf73 https://onezero.medium.com/the-largely-untold-story-of-how-o... 2. https://xkcd.com/2347/ https://xkcd.com/2347/