Not true. Those weapons are expensive, and you still need boots on the ground to hold land. We’ve sadly learned that against much smaller, similarly armed, and much less educated forces in the Middle East.
Any foreign invader would be shredded here. That is, if we as a people recognized it as such and acted...
For the record, we wives may not be hunting, but many of us know how to defend our homes and would do so. Our men won’t have to fight alone.