Today's "Mallard Fillmore"

Dumb Q:  I know that craft brewers make fruited ales, and there are folks who add orange slices to Belgian wits and lime wedges to Corona......  but just what "big, soul-less corporations" are "putting 'berries' and 'citrus' into perfectly good beer?"

This presumes, of course, that we are generous enough to define what "big, soul-less corporations" make as "perfectly good beer".......