Today, the Likud regime recycles this same language specifically to foment racial violence in occupied territory, which should be sanctioned by America but isn't: https://www.jta.org/2026/05/14/israel/death-to-arabs-chanted...
Iran is not Arab and is not occupied by Israel.
In your second statement you seem to callout the behavior, yet you defend it in the first? Calling for the death of random societal/structural groups, be that entire countries/societies, ethnic group, etc, is unacceptable behavior. It is especially unacceptable when it is done by powerful political leaders. It is outright evil when it is done by religious leaders.
Somebody threatening to do something they are capable of is obviously quite different than somebody threatening something they cannot do.