"you pull out one or two examples of a an armed citizen intervening?"  -- .... a 5-second Google search turns up a few more......like, a lot more.
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"Silencer, suppression device, wrap a towel around barrel with duct tape...Who cares?"  -- Thank you-- that tells everyone here the level of your firearms knowledge.
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"Wear better ear protection for goodness sakes."   -- we do- it still helps dramatically. Perhaps if you actually shot, you'd understand.
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"Same with large magazines."  -- please, tell us your subjective definition of "large."
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The "gun free" festival zone was small. Across the street from the concert it was legal to carry."
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--SMH- got it.  so once clear of the ""gun free" area, a firearm owner could go to their car/drive home, get their firearm, and then enter the area across the street....you really don't get this, do you.