I was at Target Field 4/20 and didn't notice any problems as far as lines go for the men's restroom. I didn't realize until after I'd finished there was an additional set of urinals in part II of the room, but I didn't have a line to wait it in. I was in and out in and back to my seat in less than a 1/3 of an inning. Before the game might be an issue as people are slow to get to their seats.
Still doesn't explain why the Reds would make the trade, unless Dusty thinks that it will be an extremely hot August and September, and thus Dusty will be at his mental peak to guide the Reds to a near unbeaten record.