Looks like they're missing one. I'm pretty sure the discussion goes further back[0,1] but this one has been on going for years and seems to be the main one[2]

  05/26/23(?) Datetimes in EXIF metadata are cursed

[1] https://github.com/immich-app/immich/issues/6623

[2] https://github.com/immich-app/immich/discussions/12292

Datetimes in general have have a tendency to be cursed. Even when they work, something adjacent is going to blow up sooner or later. Especially if it relies on timezones or DST being in the value.