whatever French instructors teach Polish airbus wannabes doesn't seem to apply to English speaking rest of the world. This is an excerpt from FCTM:
ECAM actions may be stopped by the PF at any time, if other specific actions must be performed; e.g. normal checklist, application of an OEB, computer reset. When the action is completed, the PF shall direct to “ContinueECAM”.
There're plenty of examples where a computer reset solves a huge mess on ECAM or long ECAM is waste of time since it's replaced by OEB. As I said it's a 186 KHz processor we fly designed by humans, keep that in mind.
P.S. to be fair there's OEB for both ECAM and STS thus in case the STS is affected then OEB for STS is applicable. The devil is always in details.