I suspect it's because patio11 is employed by a payment processor, Stripe. Stripe's business is taking a percentage of payments / transfers. One of Bitcoin's usecases is making payments / transfers with lower interchange / wire fees than existing financial system. The argument is the same as saying that someone employed by gun manufactures is biased when writing about proposed gun laws.
(I don't have a view on whether patio11's employment has influenced his thinking. I just wanted to suggest what the grandparent's thesis may have been.)
