The reason I propose a name change is mainly for clarity of purpose, rather than for any kind of legal protection (although I do think it contributes there too)

The reason I propose a name change is mainly for clarity of purpose, rather than for any kind of legal protection (although I do think it contributes there too). Youtube-dl downloads from many other sites. If I was a potential new user googling for "vimeo downloader", and the first result was titled "youtube-dl", I'd skip over it assuming it was just a bogus search result.