Advertisers have always had ways to block likes and dislikes. The problem was that dislike counts were abused by people driving dislikes on videos for inauthent

Advertisers have always had ways to block likes and dislikes. The problem was that dislike counts were abused by people driving dislikes on videos for inauthentic reasons (YouTuber supports cause X, we disagree with X, therefore let's all go dislike all of this YouTuber's videos). https://en.wikipedia.org/wiki/Vote_brigading https://en.wikipedia.org/wiki/Vote_brigading Removing public dislike counts takes a good amount of wind out of such campaigns