It's definitely a bit annoying. I use the "add to queue" button a lot, and now the time between when that button pops up after I hover on a video and when that button disappears as hovering over the video causes it to autoplay is pretty miniscule. It's also a little less pleasant to have to actually be careful about where you leave the mouse pointer as you navigate a search.

There's an option to disable it though, and you can always use something like ublock origin to just kill the offending elements.