You are obviously missing otu the overnerfs the Elefant got. It has 70 range now and less damage than it used to. All while keeping its weaknesses. That being not being able to actually maneuver out of any situation and no AI. All while the ISU can do both.
Overnerfs?
Yeah because 2-shooting all mediums was not broken at all. Now you need 2 shots + faust. If you think its overnerfed you're doing something wrong in teamgames mate. A well supported Elefant is still crazy strong and only very hard to stop.
A vet 2 Elefant can escape any flanking attack with ease on narrow maps