Why, Bruce Greenwood, why?! And Ron Livingston? Why?
Oh, wait, now I get it: The schmucks are the kiss-ass employees who actually go along with this assholery. The big boss is in fact looking for someone to stand up to him, to not be a schmuck.
Or else the schmucks are everyone who agreed to appear in this movie. See, it’s a game that Hollywood execs play among themselves: Who can get to star in the stupidest movie ever? And they all have big laughs as they one-up each other. “Paul Rudd? Bah: he’s a bad-movie slut. Top Steve Carell!” “Ha-ha! I’ll see your Ron Livingston, and I’ll raise you Bruce Greenwood! Top that!