AFAIK this has never happened.
This is a PR stunt that is regularly used (like the idea of standing-room-only tickets) to generate a new round of press for the company and highlight how cost-efficient and ruthless they are, which aligns with their branding and keeps the story alive.
I understand the sentiment but as sibling comment points out, you're very light in the way of stating facts to back up these claims.
Mind you, G+ also made some insane and boneheaded decisions. I think at one point they tried to make all Youtube comments also be G+ posts under your real name, or something like that? That was fucking stupid.
Having different apps, chats (Discord servers), accounts (at-a-push) for each privacy circle is much clearer to average users. Migrating a whole group of any size to another platform is hard, hence many of us are stuck with Facebookk in case we get invited to something we don't want to miss on it, but new platforms will continue to emerge and some will succeed.