A Herod's Vengeance on the People of Alexandria

There are lots of different accounts of this. According to herodian, he orders the young men of alexandria to gather for inspection as if they were a phalanx drawn up in honor of alexander great. And then his troops were ordered to kill all the young men. Cassius dio also talks about the massacre. Antoninus lived in the temple of serapus throughout the massacre. He went there to dedicate the sword with which he had slain geta to serapus. And then taken vengeance on the alexandrians because of their actions. So it's a rather extreme reaction by an emperor to what are gibes,. Which to some one like