McCain Syndrome n.
The belief that honorable service in the military conveys a lifetime license to destroy the country as a politician. Contemporary examples include (but are certainly not limited to) Senator Todd Young, Reps. Dan Crenshaw, Derrick Van Orden, Jen Kiggans, Jake Ellzey, Brian Mast, Morgan Luttrell, and Tony Gonzales. The first sentence in this glossary entry is attributed to @Oilfield_Rando on X.