JFK was a proponent of interventionist foreign policy and neoliberal-ish economics just like every US president after him. The US establishment had no reason to kill him. He was one of them through and through.
Eisenhower also had a few surprising things to say about the "military-industrial complex" - but that was on his farewell speech.
> Eisenhower also had a few surprising things to say about the "military-industrial complex" - but that was on his farewell speech.
Such as?
The Kennedy speech came shortly after the failed "bay of pigs" operation - on April 27. There might have been some tensions between the various branches of government on that occasion, so it can have more than one interpretation. Here is the full text:
https://www.jfklibrary.org/archives/other-resources/john-f-k...