This feature works on and off, and not right now
I notice the comment section shows up more if you’re logged into youtube, and usually have to be logged out for the feature to work, but right now its not working either way.
Still have to see stupid comments pinned without opening the comment section, which is why I use this feature
Brave 1.77.100, Chromium 135.0.7049.100
Android 14; Build/UP1A.231005.007