The fault is in thine own people. — Heb., thy people is in fault. There can be no reasonable doubt that this clause is antithetical to the preceding one, and means that, though the Hebrews are punished, the people really in fault are the Egyptians.
Related Commentaries of Exodus 5:16
Exodus 5:16
16 There is no straw given unto thy servants, and they say to us, Make brick: and, behold, thy servants are beaten; but the fault is in thine own people.