Speaking only for myself, I know they lost me as a customer primarily because the system was buggy at the time they launched and promoted themselves on HN. I know there wasn't much time to respond to Reader's shutdown, but it just reminded me that when you get that first burst of traffic, you better be sure you can retain the folks you get.
No kidding it was buggy. But a year of work has moved NewsBlur far ahead. It's quite stable now. And it's the fastest reader on the market. That's why I graph average load times on the dashboard. The re-design also didn't launch until May, so your first impression last year will be quite different than this year.
Seconded + 1.
Yes, the first year was buggy, but the reader is extremely stable and reliable now. It's a real pleasure to use. I've been a paying subscriber for two years now and I really enjoy it - and I was a hardcore GReader fan.