I did not look at the repo — but has anyone checked if this is trustworthy? Probably many are looking for a new source - providing a nice and convenient entry point to seed dubious / dangerous additions (aka. malware).
From Readme "youtube-dlc is a fork of youtube-dl with the intention of getting features tested by the community merged in the tool faster, since youtube-dl's development seems to be slowing down. (https://github.com/ytdl-org/youtube-dl/issues/26462)"