I also agree that JFK would not have withdrawn from Vietnam. In his last interview her was all over the place on the subject. This thread reminds me of a post in another thread, from 12 years ago, on a detail I missed in The March of Folly
Historian Barbara Tuchman, in The March of Folly: From Troy to Vietnam , notes that Kennedy sent a special envoy, whom he trusted, to Vietnam, to survey the situation and report back on whether the US should get involved. The envoy’s report was decidedly against any US involvement.
So he sent a second envoy. That one, too, reported that the US should stay out. So he sent a third one. That one burned down, fell over, and then sank into the swamp. But the fourth one…well, he too reported that it would harm the US to get involved.
And so on and so on, until seven trusted “best and brightest” analysts had unanimously recommended NOT getting involved in France’s colonial quagmire.
So Kennedy decided to get involved. There’s a reason the book is called The March of Folly.