Sony spent 20 yrs completely committed to proprietary storage media. They sold memory sticks and the like at vastly inflated costs compared to the media built to standard specs. The PS 2 was smack in the mix with that shit. Remember memory cards? They used special Sony developed encryption, for no reason but to maximize vendor lock in.

The PS4 and 5 being storage manufacturer agnostic is a really big deal and I will give them credit for it.