Very informative posts, thanks to both of you.
I've spent bitcoin dozens of times, but the number of merchants I used it at is only like a handful. I think Bitpay was the payment processor for all of them, and it does baffle me that they'd throw a wrench in the works like that.
However, it doesn't surprise me at all that bitcoin commerce is dropping. I thought this from day one: Why would anyone go out of their way to buy bitcoin just so they could spend it on something they could probably buy just as easily (or more easily) with fiat? When I spent bitcoin, it was usually proceeds from a signature campaign, but I don't think most bitcoin holders get paid in bitcoin--they buy it as an investment, and to them it makes zero sense to spend it on goods & services.
Also, even though it looks bleak right now, things could change. And I'd also add that bitcoin is still very much worth owning, even if it doesn't get spent. A lot of people have made money with it, and it is still a great way to transfer money outside the view of the prying eyes of governments and banks.