Why people are undermining the physical medium for video games? Comparing it to Netflix/Blockbuster? What? Stadia is currently on the verge of flopping and we're not even sure where other streaming services may go. Streaming video games are literally constrained by the laws of physics and the need for extremely responsive user input. It's exciting but it's also a whole different engineering problem than what Netflix…
a) People are getting faster Internet connections, which enables them to actually utilise digital stores. The PlayStation Store is almost 15 years old and I can imagine how bad the average consumer connection was back then. And if you have a slower connection, you can still pre-order and pre-load games.
b) Physical medium is not exclusive to brick and mortar. I am myself a collector of physical games (167 games in my shelf at the moment I believe) and I don't really go out and buy games. I just order them online.
Basically, they're not only competing against the growing popularity of PlayStation Store, Xbox Live and Nintendo e-Shop, they're competing against Amazon.