The skewed view given in the article is hilarious. "Nobody really wants to advertise that they filter their beer through dead fish" Well that would be because they don't. Isinglass has a long history of use in beer and wine, and is a refined collagen. If you don't want animal products in beer, awesome, go for it. The slightly hysterical language is unnecessary though. -- edit -- Another technique sometimes used is to…
> Isinglass has a long history of use in beer and wine, and is a refined collagen. A long history before modern manufacture of crappy commercial beers?
“I well remember for many years it was not expected, nor was it thought possible [for porter] to be made fine and bright, and four and five months was deemed to be sufficient age for it to be drunk at. The improvement of transparency has since been added to it by means of more and better workmanship, better malt, better hops and the use of isinglass.”
[1] http://tempestinatankard.com/2013/11/21/of-isinglass-and-oth...