You may stop watching a movie on Netflix because you do not like it. You may also stop watching a movie on Netflix because you already saw it multiple times and

You may stop watching a movie on Netflix because you do not like it. You may also stop watching a movie on Netflix because you already saw it multiple times and only wanted to rewatch few minutes snippet from it. Without your thumbs up/down feedback it is hard for Netflix to figure out what is your opinion about the movie.