That has been my argument the whole time. I get that guns are lethal but in the end they are still an inanimate object. Do they allow the mentally unstable to kill a little easier? Sure, I'll give you guys that point. In the end it's about mental health. Anyone willing to pull a trigger not in self-defense, create pipe bombs to blow people up, drive vehicles loaded with explosives into populated areas, wear bomb vests, drive trucks through crowds killing innocent people and especially children are just mentally insane.
The root of the problem isn't guns, it's education, employment, security, food, freedom. This despicable act epitomizes the argument.
Instead of spending obscene amounts of money on stupidity, governments need to get proactive in breaking the chain of poverty and educate the youth so that this issue doesn't keep getting passed down through generations.