it/its, she/her
www.ninee.xyz
Creators can opt-out on a per video basis (but the channel may be long abandoned).
When researching props or behind the scenes, old videos are useful, but not if upscaling produces artefacts.
1. The opt-out for creators is channel-wide, not per-video. It's available in YouTube Studio right now.
2. The low-res versions aren't going away. YouTube will automatically generate multiple upscaled copies, but you can still choose to view the 144p/240p versions if you want.
just a day in the life!