Look at the pretty picture of A330 earlier, note the AoA, the position of the tail feathers, and the extended disturbed airmass present about the aft fuselage.
I vote with OK465. Elevator authority is demonstrated how? Tunnel time.
All arguments post STALL have a fascination that is understandable, and useless and irrelevant at the same time, unless certification standards are altered. Especially the funny parts about the instrumentation being reliable.