 ziyad imitated omar and went too far. alhajjaj imitated ziyad and destroyed the people. so you considered that a fault of his.
تشبه زياد بعمر فأفرط ٥ ، وتشبه الحجاج بزياد فأهلك الناس. فجعلتم ذلك عيبا منه.