Gotcha--if you want to point me to a couple of those tweets, I can pass that on to Google+ folks to check into. If someone shares a post publicly (as opposed to sharing with a limited circle of people), we definitely want people to be able to read those public posts.
I went to look but it was a couple of days ago, and that's hundreds of messages down the list in my Mentions tab on Twitter. And with 140 chars, I'm basically scanning for grunts and snorts. But I can do you better. Here's a list of all my links for the last few months. Some of those go to GP articles. Those are the ones people are complaining about.
