It's a pretty informative video, since it explains why "this PC SSD is faster than the one in PS5" comments are not understanding why those SSD's don't come close to doing what the PS5 SSD does.
But most of this will be for first party games. Some for games also on Xbox, and very little if they're also on PC.

"Unless they're also releasing on PC. The PC might be about to become the lowest common denominator here."

Would be very beneficial to the games industry if this, or equivalent technology is standardized on PC and Xbox.