Right now I use https://github.com/tubearchivist/tubearchivist
It requires a bit of technical skills to setup the instance but offers an easy UI to quickly add channels/playlist and automatically archives new videos.
If you want an easier script checkout https://github.com/TheFrenchGhosty/TheFrenchGhostys-Ultimate-YouTube-DL-Scripts-Collection/
You can put in a file the list of channels/playlists it videos to save and run the script, it downloads everything organized in folders including subtitles and video descriptions.
LMFO I was on the reddit thread reading this post and coudn't believe my eyes reading the comments. We're living truly revelation times. Like you said this is a long due wakeup call for the rest of the "uncivilized" world.