What is one reason Persians were unhappy with there government after losing to Greece?

One reason Persians were unhappy with their government after losing to Greece was the perception of incompetence among their leaders. The defeats in battles like Marathon and Salamis highlighted failures in military strategy and leadership, leading to disillusionment with the ruling elite. This dissatisfaction was compounded by economic strain and the burden of maintaining a vast empire, further fueling public unrest.