The report suggests that dropping the gear again might clear the problem - given that it has worked in previous similar incidents.
But then, pilots would need to be super sure that it's not, in fact, a dud engine pulling them to one side. If it was, then wheels on the way down, mid-EFATO, is probably the last thing they'd want.
But yes, this ATSB analysis should ensure that no DA42 pilots are burdened with yet another memory item to process in the few seconds they have to save themselves.