Original sentence: Valverde opines that a biostatistician of Jellinek’s eminence would have been only too well aware of the "unscientific status" of the "dubiously scientific data that had been collected by AA members"
Edited sentence: It is certain that a biostatistician of Jellinek’s eminence would have been only too well aware of the "unscientific status" of the "dubiously scientific data that had been collected by AA members"