Power winches seem like digital maps - they
work 99% of the time so you grow to trust them implicitly.
Then they turn around and tear your arm off or sink your
boat.
We all know cruising is just another word for repairing stuff in exotic locations. In some ways the desired
reliability is why the Air Force spends $800.00 for a
toilet seat.
Engineering and manufacturing reliable
equipment that doesn't fail or fails at 1/10 the rate of sailing stuff is expensive. Much of
gear we need would be made potentially unaffordable.