Best Picture Oscars that actually deserved it
Instead of asking which ones didn't deserve it. To me most of the "winners" are losers of the worst kind. So I'll pick out the few I think were actually good enough to win legitimately, chronologically. All the ones not listed you can surmise my opinion of them.
1939-Gone with the wind https://www.youtube.com/watch?v=OFu-jemU-bA
1943-Casablanca https://www.youtube.com/watch?v=rEWaqUVac3M&t=5s
1945-Lost Weekend
1961-West Side Story
1965-The Sound of Music
1967-In the Heat of the Night
1968-Oliver!
1969-Midnight Cowboy https://www.youtube.com/watch?v=AnPcKk3YO3s
1972-The Godfather
1974-The Sting
1975- One Flew Over the Cuckoo's Nest
1976-Rocky
1977-Annie Hall https://www.youtube.com/watch?v=lXy9Lp8bu98
1978--Deerhunter
1988-Rainman
And that's it for me!