Some humans do. Increasingly more people around me are switching to ISO date, inspired by the fact major organizations do the switch for easier sorting in lists

Some humans do. Increasingly more people around me are switching to ISO date, inspired by the fact major organizations do the switch for easier sorting in lists and directories. Changing behaviour like that in an export file in a format that traditionally is used for data exchange between computer systems, especially when not mentioned in the release notes, is a borderline bug.