I think that would be decidedly not-great from an optics standpoint, and would needlessly frustrate a lot of people (some, perhaps, to the point of not visiting any time in the foreseeable future).
Universal's current approach to this park's tickets already strikes me as fairly questionable and anti-guest as it is; for it to extend the remainder of the year (I know that's just your hypothetical) would be a monumental unforced error.