Who in his right mind would burry 40+ aircraft? The individuals responsible for that decision would not burry their car in their backyard just because the heater failed.
Somebody who wants a Ferrari and is used to a pickup truck (an ute if I remember right) cannot complain that it is more expensive to maintain. The NH90 is more complex than a UH-1.
Give the ships to Ukraine. They will show you how to operate them.