Backwashing the pool filter this morning, and having recently watched _Dune_, can't help but wonder what the first Fremen off-world must have thought when they encountered people throwing away gallons of water _just_ to clean some crud off their sand...
(Other than, y'know, crysknife to the face.)
The Corrino Imperium does not strike me as a place that is incredibly meticulous about its biocontrol.