Wineries expressly permitted, breweries expressly prohibited. What gives?

In effect, the state of Indiana allows wineries to use regulatory logic one way, and denies breweries the opportunity to use it in the same manner. It's bogus, and it's bull. Is there an Indiana legislator alive who can explain why?

(crickets chirping, pins dropping)

Indiana microbrewers want to sell beer on Sundays, by Bill Ruthhart (Indy Star).

When visitors tour Indiana wineries on a Sunday afternoon, not only can they sample the wine, they can take some home.

Now, Indiana's microbreweries say it's time their visitors were given the same opportunity.