Curling: Stupid or sport?

I’ve been watching the curling events for the first time. It’s like playing darts on ice. An announcer said that one of the competitors eats pizza like 4 times a week. There is obviously skill involved, but would you call the participants athletes? Should it be considered a sport?

And who thinks Will Ferrell should star in a new movie about double luge racing, where the two guys don leotards and lay on top of each other on a sled? Like this