It's just arbitrary. There's prob even a low-sev ticket somewhere in Youtube's issue tracker to take out youtube-dl. They can do it at any time. That they have

It's just arbitrary. There's prob even a low-sev ticket somewhere in Youtube's issue tracker to take out youtube-dl. They can do it at any time. That they haven't done it (make youtube-dl's life harder) yet just means they might do it tomorrow, not that they don't care.