Interestingly, there is a comment in the original post from Carter Gibson of the Google+ team that "Google+ team joined GSuite" and are working on "helping peop

Interestingly, there is a comment in the original post from Carter Gibson of the Google+ team that "Google+ team joined GSuite" and are working on "helping people connect to awesome people who post about their interests and help enterprise teams be more productive / find the knowledge they want". So there is still some interest to make this work somehow.