The theoy that fewer guns would result in fewer murders seems to have almost no supporting evidence , it is merely an intuitive deduction , my intuition is exactly opposite to yours and seems to have an easy time finding facts that are supporting.
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Lookit, if it is as you say, that there was no change in the number of crimes when Florida decided to let everyone pack heat, then by definition this accomplished nothing.
Presumably, we have more people walking about armed and dangerous. Or at least we COULD have them.
It was supposed to LOWER crime, because then the baddies would know that everyone could be armed and dangerous, and perhaps they would take their evil criminal ways to Minnesota or North Dakota, or perhaps reform and go straight.
But they didn't.
This is because our criminals are not logical beings. They are stupid and lazy, which explains why they had become criminals in the first place.
We should have given them gift subscriptions to the NRA Journal. and Podcasts for those who are illiterate.