Every country have criminals and guns. The difference is how available they are to the general public. And what type of guns.
Anyone in the US that isn't a convicted felon can buy a handgun as soon as they turn 21. And there are very few laws on how you're required to store them.
Compared to Europe where it's incredibly rare for an average citizen to have access to a handgun.
Dude, there's no way you can argue your way into making someone feel bad for not wanting to risk their life in a violent resistance against their own government.
That's a choice every person have to make for themselves. You don't know them. You don't know their situation.
You seriously need to take a step back and sit down.