How many accidental deaths have there been from swimming pools? Exploding propane tanks? River Rafting? Spectating at motor car events? Eating chicken? Running with scissors? Using BB guns?
See where I'm going with this?
Context and perspective are everything.
The anti-gun crowd in an advanced society is the most helpless, clueless, irrational, self-centered, despotic, delusional group that must be tolerated. Fortunately, the first to die off from sundry causes when TSHTF.
Force them to spend a week without electricity. That will make their heards explode, but would teach them both perspective and humility.
I think you are onto something here. I am not sure how it could be done, but it is an extension of the old axiom that a conservative is a liberal who has been mugged.