This is like saying since a gun has a safety it's not meant for firing bullets. 90% of the effort, design, and engineering of a gun goes into firing potentially lethal bullets. It's what a gun does, this is not controversial.

Now ask yourself why Trump is sending a group (who are explicitly prohibited from making arrests) whose entire mission is war to the 2nd biggest city in the country? It's for the same reason those Marines carry guns.

As I've seen others remark, LA gets far worse whenever the Dodgers or Lakers win a championship. It is not a war zone, warriors are not needed. But clearly they are desired.