i would agree that Citizen Kane is possibly not as much of a nailbiter nowadays as it must have been when everyone and his cat knew who Hearst was. Other films that frequently show up on the "best oat" lists have aged even worse (saw Lawrence of Arabia around christmas and it was hilariously bad)
Doesn't mean CK isn't still a groundbreaking movie but i understand people who aren't fascinated. Modern movies can be visually spectacular because technology that is not super expensive can be used to produce results that in the classic hollywood was restricted to a handful of superexpensive productions. Movies today are geared not only for the big screen but for todays viewing habits, 2nd markets like blue Ray or streaming on a tv screen, the audiences attention must be raised and maintained at all times.
I like movies and read a lot about them, still i never got into the overly artsy stuff like Ingemar Bergman, i don't mind being entertained by a movie but that's just me
The Searchers, Lorres haunted mass murderer in Langs "M", the laconic anti heroes of Mitchum or Lancaster in certain film noirs, La Strada, Le Samourai, RAN, Cockoos Nest, Zorba the greek - i don't mind technology, i don't mind CGI, i don't mind dolby stereo, i don't even mind colour. There are films 100 years old that will blow my mind every time i watch them.