I have to say something as a relatively new "participant" to the forums (i've read the forums for some time before trying to contribute and ask real actual questions). Any new user that happens to see how this thread was handled from the get go would turn them away. NONE of us were there with the OP, PERIOD. The logs show no signal interference, and he clearly knows what he is doing for what he wants to do. Second, while ferrous metal object might affect most of us, including myself (I can't launch from metal objects without serious compass calibration issues, ATTI or GPS mode), it doesn't mean that he does as well. Different birds / areas / conditions will behave differently than any others experiences. no 2 experiences will be 100% IDENTICAL EVERY TiME from user to user.
Quite frankly I am appalled at the immediate speculation that he doesn't know what he's doing. He says he pulled back on the right control stick, and it didn't respond. CLEARLY there is an issue, and not one person can say they haven't seen a phantom do something strange, maybe not that in particular, but definitely something "abnormal". Hell, just the other day I was demonstrating OAS to some neighbors like I have tested probably 15 times since purchasing my P4, and for whatever reason it just decided to initiate and work AFTER it almost took me out. (yes, like an idiot I fly it TOWARDS me, in perfect alignment, watching in the APP to make sure it detects the "object" which is me, and it sees it, shows where, etc etc, but didn't try to stop until I had to duck, it passed over he, then the beeps started BEHIND me, and it applied the brakes).
This whole thing feels like dealing with DJI directly, who will try everything in their power to not have to admit a problem with the product, and prove it was the pilots error, or he was in an area he wasn't flying in. I can tell you, that while transformers and power lines are bad, and you shouldn't fly close to them, those are not the SUPER HIGH powered versions you see wreaking havoc on FC's and compasses that cause crashes, these are every day transformers that we ALL have nearby in town. The only reason you wouldn't see these in regular patterns is if you lived in the sticks., and even then they are every so often, because a home needs power!
Again, I get that a lot of fly away and other issues ARE user related, but what ever happened to benefit of the doubt? Would everybody like for someone to assume they are a ******* until you were able to 100% exonerate yourself? What happened to community, to help try and solve an issue instead of immediately looking for every possibly reason to blame someone who shares in the same hobby? I'd rather help him to no end find the issue / answer, so it doesn't get repeated than to try and beat him down and say "you just suck as a pilot, and you shouldn't own a phantom if you can't fly it", that is just BS and arrogant.
/rant