Cooling wise it wouldn’t be a problem, it is clocked lower and has far fewer transistors then actively working (the rest you cut with laser). The connection itself (to the mainboard) is a bigger issue, but that should be overcome-able. That said: If the cost of this redesign is worth the saving of not throwing away chips? That is the question.
From what seems to make the rounds on the internet: the yields are pretty high for both.
One thing I just thought of with the Series S is how much of a value buy that thing will be next holidy season
Imagine the deals you will be able to get one for, after Thanksging. Playstation peeps looking to get on to Gamepass will be in a pretty fortunate spot