Why would they be doing that? Why risk prison by breaking serious laws? Worse, you could probably get extradited to the victim country to enjoy some truly medieval justice.

Government employees would rather just do what they're allowed to do and collect their pensions.

My office was across the hall from the special-access command center used to execute drone strikes against known terrorists. All of the targets had been nominated and vetted by a team of top mil and IC officials, and personally approved by the President. That was for known terrorist leaders.

They could barely bring themselves to do that, but you're saying they're toppling foreign governments willy-nilly? Not a chance. This isn't 1955, and it's not a Mitch Rapp novel.