A year or two ago I noticed that Youtube links were messed up in the search result so maybe the writing has been on the wall for a real long time.
For instance, if you google https://www.google.com/search?q=jimmy+eat+world+555 you get a thumbnail with a Youtube URL linking to the actual video but as soon as you right or left click the link it's changed to a google.com link with a lot of parameters. Makes it super frustrating if you want to share a link to the youtube video from the SERP.