It actually is not an absurd statement if you take in to account the entire quote, "…as a means of exchange." 10 million companies using bit pay is good for raising awareness of the general public, and may in fact lead to more widespread adoption.
However as a means of exchange the most important characteristic is value. These companies are intentionally not using bitcoin as a measure of value, which is the next major hurdle that the currency needs to overcome.
"To be widely acceptable, a medium of exchange should have stable purchasing power (Value) and therefore it should possess the following characteristics: value common assets, constant utility, low cost of preservation, transportability, divisibility, high market value in relation to volume and weight, recognisability and resistance to counterfeiting.
> a medium of exchange should have stable purchasing power
What's the problem with having a medium of exchange that actually gains value over time ? (which is the case of bitcoin). By the way your USD/Euros and other fiat currencies are actually losing value over time, and not just a little. Look at what you could buy 10 years ago with 100 dollars and today. Is that "constant utility" ? Not really.
That is truly an absurd statement. Following your logic, 10 million companies using bitpay to accept bitcoin "does nothing positive for widespread adoption of bitcoin" -- compared to say.. 0 companies using bitpay?
This is actually amazing for widespread adoption; it teaches companies how they can use bitcoin as a secure, chargeback free, negligible fee payment system without being exposed to volatility of the underlying asset (which speculators are quite happy to do themselves).