Sorry HH, there is no asymetrical flap condition. Look at the video again and not just one blurry, fuzzy frame. You can clearly see both flaps down, both during the loop and the accelerated stall to the ground.

I am certainly not calling anyone dumb thumbs, but pilot error IS what put that plane in to the ground (I don't know anything about the wing-loading and other factors of the plane that MAY have contributed to the accelerated stall). I am not jumping on anyone's band-wagon, but I have seen this occur myself on a nose-heavy, high wing-loaded bandit. Exact same flight characteristics.....right to the ground. Only solution, release elevator, get it flying again and pull up.....IF you have the altitude. Otherwise, shut off turbine and deploy crash recovery vehicle.

Chad