There is no relationship between the difficulty of a shoot and the quality of the final movie.
None whatsoever.
Fant4stic is an exception, not the norm.
Plenty of nightmarish shoots gave us masterpieces, good films, decent films,entertaining films, boring films, mediocre films.
Plenty of smooth sailing shoots gave us masterpieces, good films, decent films, entertaining films, boring films, mediocre films.
Making a movie is always difficult, from Chimpmunks 4 to Avengers 2 to Birdman to Short Term 12 to Spy & everything in between.
Filmmaking is war.
Everybody wants to make a great movie, everybody, even evil suits that supposedly want to ruin every filmmaker s "Vision".
Nobody wakes up in the morning on a set thinking in their heads : " let s finish this piece of shit movie and be done with it", nobody, even on the Sharknadoo sets.