Not sure about the “rare”, but with margins this small, it matters.
Murder is “rare”, so should that go unpunished?
Anyway, I certainly hope each person who enabled this activity gets deported/jailed.
ABC News Argues 9/11 Overblown As It Was 'Only A Handful Of Buildings'
"Only a Handful of Apartment Complexes" [semi-satire]
I guess that was long enough ago (one week) that the expression "only a handful" has dropped from widespread connection.