Question: why are daxamites weaker than kryptonians?
Answer: Their planet, like Krypton, orbits a red sun; and like Kryptonians, Daxamites will gain superpowers when living under a yellow sun. In fact, their powers and abilities are nearly identical to those of Kryptonians; The only difference being that they have no weakness to Kryptonite, and instead are severaly weak to Lead.