No, I was stationed as security for a PsyOps team in Gardez, Afghanistan for four months in 2003.
The real manipulation of a population is being undertaken at levels so far outside that military structure, its almost unrecognizable.
Don't close your mind just because you know of one instance of the thing being discussed; you anchor yourself to a specific point in time.
Person with zero experience lecturing someone who actually performed the role, in service of the country, is such a HackerNews thing.
Bonus points for referring to their real-life experience as "somewhat relevant".
But please, tell me more about what a "HackerNews" thing this is.