The UTC abbreviation was made as a compromise between french and english[1] rather than bloody-mindedness from any one nation. This was back in the day when such compromises could be reached without rancour.

For an example of the daft amounts of human life expended on examples of such trivialities, look at the amount of effort spent on arguing if the Concorde airplane should terminate with or without an 'e'.[2]

[1] https://www.space.com/what-is-utc.html

[2] https://www.nationalarchives.gov.uk/cabinet-office-100/the-s...