I think the Viet Cong, North Vietnamese, Iraqis, Afghans, 9/11 terrorists and Benghazi murderers would disagree with you, but I understand what you mean.
In the ones that you mentioned, the Government was on their side. We were defeated politically, not battlewise. In this case, the Government will not hesitate to jump on us with both feet and we will face the full might of the Government of the United States, however corrupt it may be.