Originally Posted by
Native
Really, the barrier to entry is that it's expensive—most youth programs and middle- and high-school teams don't subsidize the gear you need to play.
Aside from that, though, everything else about the sport fits the American sports market to a T. You can use any soccer or football field to play, so there are plenty of stadiums already built; there's enough scoring, pace, and contact to satisfy American audiences; there are enough stoppages in play to provide a suitable number of commercial slots; and there are a lot of strategic choices teams can make that impact the outcome of the game.