I have not read the whole thread. I read a few responses, and skipped to responding.
"why should we have them" is NOT the question.
Why SHOULDN'T we have them?... that's the question.
The response will be something along the lines of, "all they are used for...", "they have only one purpose", "they're too dangerous", "they aren't for", etc.
We win on this front, every time, by referencing these facts:
- semiautomatic rifles are used in fewer than 300 murders, each year. Bare hands are used to kill about 800.
- the FBI has estimated that there are about 4 million privately owned "assault rifles" in the US. This means that roughly 4 million are not being used for murder. They are, in fact, being used for everything except "the only thing they are used for".
- violent crime has continually decreased since the AWB expired in 2004, while ownership has clearly skyrocketed. This doesn't necessarily indicate that having them reduces crime, but it clearly shows that having them is not increasing crime.
- Increased media coverage does not indicate an "epidemic". We have fewer incidents, with substantially more press, because drama drives ratings. This is verifiable by actually studying violent crime trends, and confirming that crime is down.
- banning them does not reduce crime. Banning "assault weapons" simply displaces statistics. This is why the Brady Campaign reported that, "the AWB resulted in assault weapons being used in 66% less gun crime". Actual result: among crimes in which firearms were used (diminishing the total count to inflate the following percentages), "assault weapons" went from being used in 4.5% of instances, to 1.5%. Big picture: they hadn't killed more than 300 people in a year, in the first place. Millions of dollars were spent to shuffle statistics.
- If the GAO had determined that the AWB had actually had any impact, that would have been reported, and it would repeatedly be cited by gun control advocates. Instead, the Brady Campaign's best go-to was the 4.5% to 1.5% figure, with no corresponding translation into actual count, as the count was so insignificant.