Many improvements have been made to movie theater seats over the past decade or so. Too bad they haven't keep up with the degeneration in movie theaters themselves. I appreciate the tilting back and all, but it does me no good if it puts the back of my head in the popcorn barrel of the person behind me. At first glance, you might say that these suffer from the same affliction as lawn chairs, but I think that the unsuitability of barstools for sitting on while drunk is an obvious boon to society. First off, falling of your stool and knocking it over when you get up convinces you that you're drunker than you are, reducing the number of drunk drivers on our nation's sidewalks.
Some people think that people like roller coasters because of the adrenalin rush.