I'm thinking that, if your theory is correct, the perpetrators of the hoax would have to start with some sort of toy that can actually fly. Such exist, but it narrows down the options considerably. That ain't no Barbie Dream House.
I think the photos through the powerlines seem a little too deliberate. Even an amateur such as myself would have the presence of mind to take the extra 2 or 3 steps to get a clear shot.
It’s really quite easy.
You mix and match parts from another model to create the “body” that you want.