Using rules to completely block shorts from appearing in any YT feeds (and rules to fix the feeds so they don't look broken afterwards) has been great. YT breaks it from time to time with a UI update, but it's something I'll always use. I hate YT Shorts
I didn't create them myself, to be clear, I originally got them from here and have adjusted over time (some comments on this thread / other similar threads discuss the changes necessary due to breakage): https://www.reddit.com/r/uBlockOrigin/comments/143mdqv/code_...
I'll come back later when at home and post the rules I currently use as I've had to manually block other things (new carousels showing up in recommended, etc)