I’ll believe that when YouTube gives me the ability to block certain channels versus “not interested” and “don’t recommend channel” buttons that do absolutely nothing close to what I want.
Or a thousand other things, but that one in particular has been top of mind recently.
www.youtube.com###contents-container > .ytd-rich-shelf-renderer.style-scope
www.youtube.com###rich-shelf-header
www.youtube.com###content > .ytd-rich-section-renderer.style-scope
||www.youtube.com/shorts/$document
Alternatively on firefox you can use either the "unhook" extension (https://addons.mozilla.org/en-US/firefox/addon/youtube-recom...) or "enhancer for youtube" (https://addons.mozilla.org/en-US/firefox/addon/enhancer-for-...) extension (which has an option for this).
It's why I went to Kagi.