Not really enough context to say what could have been done differently. Apparently the victim had hit the assailant, so I suppose he got out of his car to deal with the accident aftermath. I guess he had no idea it would escalate the way it did.
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A major source of objection to a free economy is precisely that it ... gives people what they want instead of what a particular group thinks they ought to want. Underlying most arguments against the free market is a lack of belief in freedom itself.
- Milton Friedman
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