The Nude-O-Scopes are a cause for a huge amount of bloat.
With a WTMD, there is only 1 clerk. With a Nude-O-Scope, there are usually 4 clerks. 1 In front, two on the other side (Male + Female) and one sitting in a private room looking at a screen and doing god knows what (and I'm assuming they are still doing this even for the ATR machines to make sure they are doing their job).
How many Nude-O-Scopes are there? Multiply that by 3 and that's how many more people need to be staffed... Ridiculous.