Why were people angry with Amenhotep IV?

People were angry with Amenhotep IV, later known as Akhenaten, primarily because of his radical religious reforms. He shifted the worship from the traditional polytheistic beliefs centered on many gods, particularly Amun, to the exclusive worship of Aten, the sun disc. This monotheistic approach alienated many priests and citizens who felt betrayed by the abandonment of established religious practices. Additionally, his focus on art and architecture, including the establishment of a new capital at Akhetaten, diverted resources and attention from the traditional centers of power and worship, further fueling discontent.