How was Iraq dumber than Vietnam?
Because of the very different circumstances of the decision-taking?
With hindsight, Vietnam was much more... wrong.
Really? Why?
I'd say Iraq had the oil-to-steal aspect going for it, but Vietnam had the hot hookers for the servicemen in the region (not that the big wigs cared about that).
But politically speaking, at least in Vietnam there was an extant bunch of right-wing thugs (the government of S. Vietnam) who wanted us there... In Iraq we had to barge in without any excuse whatsoever.