I'm not saying it's not cool. Parlor tricks can be very cool, and this one is. But it's still a parlor trick because it's not good for anything other than being cool. When people think of flying cars what they generally have in mind is not a car that can do a flip, it's car that can take them somewhere without needing a road so that it doesn't get stuck in traffic. This car can't do that. All it can do is backflips in a parking lot. That's not nothing, but the novelty will wear off very quickly.

Smashing the piano with a paw is technically a chord.

because an insufferable man put raspberry pi controlled rapid tire inflation gas canisters on his paws

This was done at night like all large scale David Copperfield magic tricks, so it's more like someone else played a chord and said the dog did.