Why?
Paul, I've never read any account that Eisenhower was pointing that warning, directly or indirectly, at JFK. Do you have any source on that?
It seems to me that Eisenhower was worried about a type of Congressional/military industrial alliance where defense spending and arms programs became a type of jobs program or politically beneficial program for some groups against the interests of the country. Sort of what Madison warned about when he talked about "factions" influencing policy too much.
In the same speech, he said this: "We face a hostile ideology global in scope, atheistic in character, ruthless in purpose, and insidious in method. Unhappily, the danger it poses promises to be of indefinite duration. To meet it successfully, there is called for, not so much the emotional and transitory sacrifices of crisis, but rather those which enable us to carry forward steadily, surely, and without complaint the burdens of a prolonged and complex struggle with liberty the stake. Only thus shall we remain, despite every provocation, on our charted course toward permanent peace and human betterment."
Not exactly a peacenik <g>.