More likely, people on lemmy blindly downvote YouTube links. Post a long form article, and you’ll see better results.
There’s a lot of rehosted trash being posted in general to drive clicks/Adsense revenue to tiny, new channels specifically for this purpose.
This doesn’t seem to be the case here, but generally YouTube links, especially with no summaries, don’t do great (e.g., I don’t want to put headphones on just for this).
Said it better than I could. Fair? Yes. Effective? No.