but in both those cases vast percentage of the total code in the AP was GPL. In this case I doubt its more than a couple of hundred lines out of millions. This is much more likely to result in
a) nothing happening, since sony's vast army of lawyers could in the worst case just stall whatever the original copyright owner tries legally
or b) pay him some small amount for a license.
Its extremely unlikely to result in a cessation of distribution or opening of the source.
Although of course I would love to see the code if it did