The whole enemy thing is being encouraged by those who make money off it. The arms suppliers sell to everyone, the idea of countries as enemies is good for business, and keeps everyone in line. It's a systemic issue for the world that needs to be addressed, sure there are underlying ideologic differences, but without the war machine actively fanning the fires we could no doubt find more common ground.
Fortune cookies are rarely good advice. Him aligning himself with actual evil diminishes anything he has to say.