Safety is something you only have when you are willing to provide for it yourself.
Why doesn’t matter. Evil men are evil and they do bad things. Stopping them from doing evil takes resolve and resources.
The police can’t help if they’re not there. Even if they’re close by, it’s no guarantee they can respond, assess the situation and take appropriate action. This isn’t an indictment against the police. Even the best intentioned cop can’t be everywhere at once, nor can they save everyone.
The shooter at a minimum broke these laws:
Obtained a firearm under false pretenses41 broken laws that we know of, one more restrictive gun law would have accomplished nothing.
Filed the serial numbers off the guns
Possession of a gun in a restricted area
Prohibited concealed carry
Improperly blocking fire exits
Multiple assaults and assault with a deadly weapon
32 counts of murder