CBE, ASC, BSC
If you haven’t go watch Sidney Lumet. And if you want to decimate it to the essence, watch Fail Safe. Two actors Henry Fonda and Larry Hagman) and a phone. Riveting.
But as mentioned above, story. A good story on 16mm reversal could be an enduring masterpiece, while a bad story on 70mm could a horror you forget a minute after you walk out on it.