There are a lots and lots of beers that are vegan friendly as evidenced by this much better list:
http://www.barnivore.com/beer?vfilter=AllI think people reading this article will come away with a view that only 5 or 6 breweries in the UK are producing vegan friendly beer, and that' clearly not the case. Lots of breweries are doing it. It's probably fairer to say 1 in 2 beers are vegan friendly