They can, they probably won't. And they certainly won't add all their games to PlayStation. Sony has recently put more and more games on PC but not much of their back catalog.
We'll have to see how the Xbox Series X/S finishes out and how the next system is before they quit hardware or at the very least drop console exclusives and put a lot on PlayStation.
Lifetime Sales Predictions
Switch: 156 million (was 73, then 96, then 113 million, then 125 million, then 144 million, then 151 million)
PS5: 115 million (was 105 million) Xbox Series S/X: 48 million (was 60 million, then 67 million, then 57 million)
PS4: 120 mil (was 100 then 130 million, then 122 million) Xbox One: 51 mil (was 50 then 55 mil)
3DS: 75.5 mil (was 73, then 77 million)
"Let go your earthly tether, enter the void, empty and become wind." - Guru Laghima
