I think a lot of recommendation system take only the positive signals into account but don't take the negative signals that seriously. So If I like and dislike

I think a lot of recommendation system take only the positive signals into account but don't take the negative signals that seriously. So If I like and disliked 10 movies just don't show me movies from users who also liked these. First, filter or downgrade all users who liked what I disliked and then create my recommendations.