The King is not known for launching tirades against individuals. He prefers to make short statements about them to setup the context of what he might think, say or do later, depending on the event or the circumstances.
Mojtaba Khamenei, the latest Supreme Leader of Iran, is described by him as a “Hitler in the Middle East”, a leader that shows no signs of wanting peace, and only builds to dominate others.
This shortens the lifespan of any great design or idea to ingratiate the Persian country here. Their culture may be of interest, or their religious practice and family life, but politically the situation is much less interesting to us.