I've liked doing the rec games so far but I can see why people wouldn't like them. I've had adults swear to me that they never touched the guy when the player they fouled is lying on the floor bleeding.
The funny/sad thing is they aren't kidding. You could be the best ref in the world and a rec game could still be filled with tons of complaints. But having played in a few adult leagues I'm gotten used to the situations and as a ref I'm just rolling with it and the games have gone smoothly enough. and wearing shorts is nice too.