Slows down the entire site during use. It's useful to know when a crappy video is not worth watching, but man, I can't deal with the slowness.

does just what is must to do

👍👍👍!!!

Version 3.0.0.18 has certain issues with Android Firefox (like not showing the amount of dislikes).

The YouTube dislikes from this aren't real. It's speculation based on people who have installed this extension, and not actual YouTube dislikes.

no representa la realidad, refleja la opinión de gente que es mas propensa a usar el dislike (incluyendome).