The IBM quote has no apparent basis in fact: https://en.wikipedia.org/wiki/Thomas_J._Watson#Famous_attrib...
And you're entirely wrong about 1990. Plenty of people thought there would be a global network. The WELL started in 1985, and plenty in that community had good notions about the future. The initial work on the Internet goes back to the 1970s, and many there too understood where it was going:
https://www.amazon.com/Where-Wizards-Stay-Up-Late/dp/0684832...
So if you're going to use the past to predict the future, please at least use some actual past, rather than one you make up to justify your notions.