Try starting a new profile under your account and then selectively thumbs-up shows. It was surprisingly effective for me. Also made sure to clean up the watch h

Try starting a new profile under your account and then selectively thumbs-up shows. It was surprisingly effective for me. Also made sure to clean up the watch history on the Netflix website when it got polluted with someone else's stuff or shows that I regretted watching. My experience is that watch history affects the recommendation engine more than thumbs up or down.