To prove that you literally can't please everyone, here are the 20 Greatest Movies of All Time (as ranked by the American Film Institute) and a bunch of people on IMDB calling EVERY SINGLE ONE OF THEM "Overrated". Reviews have been edited for EXTREME redundancy:

Citizen Kane

Kane Reviews
Casablanca

Casablanca Overrated

The Godfather Overrated

The Godfather Overrated

Gone With The Wind Overrated Gone With The Wind Overrated

Lawrence of Arabia Overrated

Lawrence of Arabia Overrated