Conversation so far:
Did Constantius follow Judaism?
Judaism faced some severe restrictions under Constantius, who seems to have followed an anti-Jewish policy in line with that of his father.
What did Constantius II do to restrict Judaism?
Early in his reign, Constantius issued a double edict in concert with his brothers limiting the ownership of slaves by Jewish people.
Did Constantius II do anything else against Judaism besides limiting the ownership of slaves by Jewish people?
Constantius II banned marriages between Jews and Christian women.
What is another restriction Constantius II put on Judaism besides limiting Jewish people's ownership of slaves, and banning marriages between Jews and Christian women?
Constantius after becoming sole emperor decreed that a person who was proven to have converted from Christianity to Judaism would have all of his property confiscated by the state.
Did Constantius II do anything good for Judaism?
Did Constantius II do anything else to them?
Constantius II decreed if a Jew attempts to circumcise a non-Jewish slave, the slave will be freed and the Jew shall face capital punishment.
Can you tell me more about Jewish peoples slaves during Constantius II's rule?
Any Christian slaves owned by a Jew will be taken away and freed by Constantius II's rule.

Question: Why did he dislike Judaism so much?
Self-contained rewrite: Why did Constantius II dislike Judaism so much?