Gregg, I've heard that too.
I always use a bucket of salt water and a rag to clean out the inside. Does a great job, the salt kills bacteria and minimal water used.
Just don't bend over the bucket with your cell phone in your shirt pocket. Sprint say's it's abuse when you try to return a phone full of bloody salt water.
By the way, I gut a deer and cut out a patch of hide in the pelvic area with the genitals attached but I don't cut the genitals clear of the deer. Core out the but, split the pelvis, slit the belly skin and pull the guts and genitals all out together. So I guess I'm in the don't cut 'em off crowd if by that you mean that they stay unsevered from the innards. Dang sure cut them away from the parts I plan to eat though! And carefully too.