Dante9 on 15 July 2020
It will depend on how quickly the user base is willing to transition. You can't just tell 100 million customers to do this or do that at the snap of a finger. There's the additional factor of the limited production of PS5s to consider as well. Also, no point in killing the old cow while it is still giving milk, just adjust the price as you go along.
The PS4 released 2013 but games for the PS3 were released up until 2018, so I'd say Sony has a pretty decent support policy.
