a) you already saw the movie -- what's to say you aren't a cheapskate, BSting them to avoid paying?
b) you already occupied a space on the cinema that somebody else could have used
c) they already paid for the reel to the movie distributor
d) it's a work of art, and subjective. Who said you only get to pay for the movies you like? If you don't like Citizen Kane you should get your money back?
a) you already saw the movie -- what's to say you aren't a cheapskate, BSting them to avoid paying?
b) you already occupied a space on the cinema that somebody else could have used
c) they already paid for the reel to the movie distributor