Didn't really think very much of the film, but then maybe I didn't get it.
I don't think it's a matter of getting it - there were bound to be top 100 films that you, or I, don't like. For example, in another thread people are heaping praise on 2001: A Space Odyssey, and while I accept all kinds of arguments about brilliance in cinematography, concept, adaptation, or any other number of things, I found it boring. No-one's going to change my mind on that, and many may claim that I 'didn't get it', but I find at least 50% of Kubrick films similarly tepid. This includes Dr. Strangelove and A Clockwork Orange. Other films I gave mediocre scores to include Avatar, Chinatown and Forrest Gump.
I found the concept and story of 12 Angry Men fascinating but I can understand how a film set 99% in a jury room won't enamour everyone.
The list has changed
Post #2 of the thread has a list dating from the 1st of January if you want to use that instead.