....yeah... I don't think that works... For reasons others commented in the thread.
Keep working on it though-- the mutually assured destruction angle seems interesting. It may be possible to salvage the concept. I might even give it a few cycles.
there is something here - its about "scaring" miners to stop signaling BU .. hope someone else can run w this idea.. changing POW is a bad idea - it will push all "good" miners to BU