Nothing says "get off my lawn" to the Feds more effectively than a cannon on the front porch.
Think of how much of our private property would be saved from confiscation from all the budding socialists popping up like toadstools after a spring rain.
“Experience should teach us to be most on our guard to protect liberty when the Government’s purposes are beneficent. Men born to freedom are naturally alert to repel invasion of their liberty by evil-minded rulers. The greatest dangers to liberty lurk in insidious encroachment by men of zeal, well-meaning but without understanding.” — James Madison