I have had no trouble finding wonderful beers produced by industry. I think filtering, pasteurization, and the use of grains like rice, are the main sources of

I have had no trouble finding wonderful beers produced by industry. I think filtering, pasteurization, and the use of grains like rice, are the main sources of the lack of flavor. That said, anecdotally, I did see a drop in quality of Pilsner Urquell when they moved from their traditional brewery (which had quite the ecosystem in the ceiling) to the newer one. Lots of folks like to say that the crazy stuff going on over the vats affects the flavor.