Why not leave data-streams and build it from data-youtube-id-0-75 and data-youtube-id-1-0? Is there any reason we prefer it?
There are lot of tests and functionality in videoalpha and subtitles stories that depends on that api.

It would be nice if you can join blades team and work together on fixing them, or at least on creating single interface. Because your work will cause 3 people to rewrite their code for couple of days. @Lyla-Fischer @cahrens let discuss it please!