Yeah, it's expensive to go to the movies IF you get refreshments (almost $25 total), but the ticket is only about $10, and $5 on Tuesdays.
True, refreshments are expensive and when you actually look into it you'll understand why.
The studios will take nearly all of the admission ticket prices for "first run" films, one guy I talked to at my local art house cinema was that it was north of 80% to 90% depending on the film and the amount of weeks they wanted you to run it for. So if the theatre charges $10, they'd have maybe $0.80 to $0.90 in "profit". It costs quite a lot to run a theatre, especially if you have a multiplex, which means they have to make up the difference in operating costs through concessions. I 100% agree it sucks to pay $25/$30 per person to get a popcorn / drink / candy combo when the combined value is under $5, but then I also like watching movies on a large screen with surround sound that beats anything I can get from the "home theatre" receiver from the local Best Buy.
Then there's the fact that a lot of those workers tend to be College / University students working part time, which I have no problem supporting because the more education a population is the more it tends to attract local investment and growth opportunities, contributing toward continued employment stability in the region.
So instead of chincing out on snacks, buy a ticket for the early show and get the mega bucket of popcorn then sneak into the late show - the theatre is gonna gonna lose less than a $1.00 but your mega bucket more than makes up for it.