In a patronymic culture, the LNAB is reserved for the patronym, and any auxiliary identifier, such as occupation, place of origin, etc, will have to go in the OLN field. Coming from a rather small culture where such things matter a lot, it's unavoidable if many of these identifiers come up as unique.
I've always felt compelled to keep my Suggestions clean. Today, when I look at it, I've got 43 suggestions, all "797 Unique name in Other Last Names".
Unless a button is added right on this list to mark the suggestion as false with one click, I simply won't bother. This is a complete and utter waste of time.