There should be no reason why this book isn't a perfect 5 in voting. This is the definition of an international classic. Heller's biography also suggests that incessant hands-on conferencing and updates from a young, freshly assigned editor of the time helped aim Joseph Heller's ad-copy wit, scattershot, towards every target at once. Just where are the Snowden's of yesteryear anyway?
There are arguments that Catch-22 can be repetitive and "boring", which could be safely discounted as totally asinine if the book didn't baffle an old and intelligent friend from former Eastern Europe. The Catch-22 is that someone like Godel lost his mind trying to fold a system inside itself, while other people live unmolested, inside whatever they consider themselves.