Right!
I very rarely download YouTube videos but simply having done it a few times over the years, and even watching the text fly by in the terminal with yt-dlp, everything you’ve said is obvious.
Screen recording indeed might fail—Apple lets devs block it, so even screen recording the iPhone Mirroring app can result in an all-black recording.
How long until YouTube only plays on authorized devices with screens optimized for anti-camera recording? Silver lining, could birth a new creative industry of storytelling, like courtroom sketch artists with more Mr. Beast.