The flip-side is that the powers-that-be sometimes get a pass if they’re sending “those people” to do the fighting and dying.
Once “those people” control your military, they control your country.
THAT the Romans discovered happened with Goths and other Germanic troops recruited to serve in the 300’s and 400’s.
According to Romano-British Chronicles, the Romano-Britons recruited Anglo-Saxon mercenaries to fight for them against the Picts and Scots. I think you know the rest of the story.