His main point is that he has a gun and you don't.
So if anyone's shooting anyone, it's him shooting you.
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More importantly liberty is always limited.
None of the people who think there shouldn't be gun laws are against traffic rules. I haven't heard anyone claim it's a disgrace you can't go out, buy a Porsche 911 and drive 120 miles an hour in the middle of Manhattan on the sidewalk. We accept that rules exist. We accept limits to our freedom to have a better life for everyone.