It looks like their following the Google model, except without needlessly pulling projects that don't gain enough traction yet serve a niche market.
For a good example of a business that divested its underperforming businesses to the great benefit of its shareholders, look at General Dynamics beginning around 1994.
I thought they did exactly this with Persona. It seems like they barely gave it a shot before pulling the plug, and a trusted, neutral federated login is still not a solved problem.