Save the pilot ...
Maybe the pax stumbled and fell onto the skid - perhaps they were worried and pushed the helicopter away by pushing on the skid - maybe there rucksack got caughtand they grabbed it - maybe they left something in the helicopter and thought they'd stop it taking off by holding onto the skid - maybe they accidentally stood on the skid - who will figure that out with certainty?
You can't blame the pilot since he is just doing what some pros here think is a standard practice - even if it is screwed up the pilot is doing it in good faith.
There is no point in destroying the pilot - he probably didn't want to hack his clients to death - he presumably knows enough about the type of terrain to operate with the appropriate caution - and he'll try harder not to let it happen again (if he has the stomach for it).