Nothing there says that they will be armed.
In fact, reading between the lines, it looks like they’re counting on the visual-appearance of the military to be the deterrent — which does not, strictly speaking, require weapons... just driving around military vehicles.
Nothing there says that they will be armed.
From the posted quote...
When they hear there are ARMED soldiers along the border of the United States...”
What part of “armed” are you not understanding?