Actually, TWB had called my attention to PB in the first place... it's not a common activity where I live (Germany). But I even managed to persuade a whole Freemason's Lodge to give it a try... we had lots of fun at MOUT, despite the bruises
But I've always used rentals, and you don't have to clean them when returning them.
I remember in my army time, some poor guy was caught leaving the shower room with a rifle barrel. Squeaky clean, I guess... but thoroughly de-oiled! So the dishwasher idea really made me smile