The problem they face, is it has become a well-known tradition in American (and Western) journalism, going at least back to the hostage crisis in 1979. If they change the translation now, people will attack them as pro-Iran/pro-regime/etc. It is possibly an even bigger problem when it comes to the use of the phrase against Israel; I wouldn’t be surprised if a change of translation in that context got labelled as anti-Israel, anti-Zionist, even antisemitic. The politically safest course is just to keep on doing what you’ve always done