The reddit you linked to said to force update your filter lists and things will be back to normal.
Have you done this?
Meanwhile, for a less "ad-full" youtube experience, try yt-dlp: https://github.com/yt-dlp/yt-dlp
gHacks has a good tutorial on how to address this:
https://www.ghacks.net/2023/09/03/youtube-showing-ads-with-u...
I noticed this last night too
The reddit you linked to said to force update your filter lists and things will be back to normal.
Have you done this?
Meanwhile, for a less "ad-full" youtube experience, try yt-dlp: https://github.com/yt-dlp/yt-dlp