Last week, many made a big deal about PS4 reaching 91.6 million units sold. Rightfully so. That's huge.— Colin Moriarty (@notaxation) January 14, 2019
What went under the radar, however, is how healthy the console's attach rate is. At 9.6 games sold per console, even "average" players are deeply engaged in the ecosystem.
More Playstation 4
They've done such a nice job cultivating second party relationships (there's a fairly substantial PS4 exclusive yet to be announced from second party) that it's unclear if they feel they need to.— Colin Moriarty (@notaxation) March 17, 2019
All we know is expansion hasn't been part of their strategy. Maybe that'll change.