[bufferoverflow]

RottenTomatoes has been rotten for over a decade. IMDB user ratings are much more useful, but still far from perfect.

[relwin]

IMDB also had a ratings inflation of about 0.5 points about the same time (anecdata), where movies over 5.5 were watchable back then. Now a 6.0+ demarcates a watchable movie. Or my threshold changed in the past 10 years or so...