Maybe I'm missing something, but I don't really understand the huge community backlash to the Reader rework. I spend hours in reader every day, and it wasn't until they added in G+ that it actually became easy to share.The addition made it so I could share within a community I was already involved in rather then a few people in some disconnected Reader community. From my perspective they actually removed the useless…
One man's "community [they were] already involved in" is another man's "disconnected community." Speak for yourself
I had a carefully cultivated list of cranks, miscreants, and technologic misanthropes who found some very interesting content and had some very interesting discussions, largely by way of the "note in reader" bookmarklet.
That whole community vanished for me overnight, without even a head nod for how to get it back, and I'm a bit upset about it. Publicly "+1"-ing something isn't even a first order approximation.