They switched because it took more effort from users to rate on a 5 vs just saying good or bad. Because Netflix is a streaming service, casual users don't want

They switched because it took more effort from users to rate on a 5 vs just saying good or bad. Because Netflix is a streaming service, casual users don't want to put in that much effort when they're chilling. Tracking is fundamentally different, where you go in with the expectation of organizing your library.