It appears to me that Charbonneau's helipad required a vertical arrival and departure with no chance to achieve translational lift near the ground. Added to that, the helipad appeared (could be the result of a telephoto lens) to be pretty closely surrounded by tall trees. I'm not a helicopter pilot by any stretch of the imagination, but I think that sort of a helipad configuration would be quite challenging for both man and machine.
Let's hope that both men involved recover fully.
Regards,
Grog