For one thing, that’s the case price, not the price per bottle. And that’s not really a sound analogy, as Cribari isn’t the only sacramental vintner, nor is Ziegler’s the only supplier of said wine. And there are general canonical provisions (varying by diocese, of course) for using wine that isn’t approved as sacramental; it just saves a few headaches (and, obviously, concerns about validity) to go ahead and procure the sacramental stuff, especially when it’s not exorbitantly expensive per case.
Here’s a longer, more punctilious discussion of the variety of wines that may qualify for sacramental use in the Roman Catholic Church: https://wdtprs.com/2013/04/quaeritur-is-sherry-valid-matter-...