Ah, but you can also fill in the blank with "the well armed populace".
Maybe not anyone you know, but at least half of the nation, 300+ million guns and more every day. Heck, 2/3rds of the nation lives in shall issue concealed carry regimes, with well over 8 million licenses granted.
This puts constraints on a would be out of control government. Let us hope we don't have to file a claim on this insurance policy.