You've probably heard of #SponsorBlock / @sponsorblock - an extension that crowdsources timestamps of ad segments in #YouTube videos so you can easily skip them.
But the author of #SponsorBlock also has another great extension: #DeArrow
This one removes those clickbait thumbnails and video titles. Thumbnails can either be replaced by something one of the many users uploads, or a random frame from the actual video. Titles can be submitted by users, and if there's no better title, it will at least properly format them. My feed looks much cleaner after enabling it and I'm much less tempted to click on those videos in the Home feed.
Now if only there was a button to also completely hide Shorts…
More info: https://dearrow.ajay.app