Two possible things going on here: 1) Trump, the man-child, was manipulated into this war by people around him with their own political (Rubio), financial (Witkoff/Kushner), religious (Hegseth) agendas. 2) Trump is trying to divert the blame for this unpopular war onto others.
Trump: "Based on what Steve and Jared and Pete and others were telling me, Marco is so involved, I thought they were going to attack us"