And an example is given:
"One of the most notable examples of scarcity marketing – the Disney Vault – started during the 1980s. Walt Disney Studios Home Entertainment began to reissue limited editions of their films and urge consumers to purchase these films before they went back into the “Disney Vault.” Because each Disney film is only for a limited time before it is put in the vault and not made available for several years until it is released again, consumers are driven to act fast when a new video is released."
Yes! The Disney Vault is a brilliant example of actually restricting supply to creat demand. I'm surprised I didn't think of it.
There is virtually no barrier to Disney stamping more blu rays. There is zero barrier to them adding more movies to their online service, "Disney Movies Anywhere". I was recently peeved to find though, that I could not buy a digital copy of The Lion King, because it was "in the vault".
If someone wanted to accuse Nintendo of restricting access to their old games, I'd say that is a perfectly valid accusation.
There is no suppy chain reason that Nintendo couldn't sell us Super Mario Bros. 3 today on the Switch. The reason is that they're hodling it back to make their online service bundle look more appealing.