Then you die.
The promise was bolstered by the returning GIs of WW2 who took advantage of the GI Bill to go back to school. Every generation there after took to that prototyping.
Earn a degree, get a job, buy a house. Repeat.
But in 1996 a very curious thing happened.
The folks that commercialized the works of academics and scientists started to take off and get attention.
Thereafter the work in the industry started to outpace the output from academia.
You want to build a dot-com business? School wasn't going to teach you that. You have to go learn it yourself. You would be stupid to stay in school.
This held true so much that in the early 2000s, when the risk of NOT having a college degree made dropping out to pursue your tech dreams an actual proposition.
But we're flipped now.
In 2017, schooling has caught up. What's discussed in the latest industry is discussed in the class rooms. And not only caught up but been condensed to mere months. You want to build a website? It makes more sense to go to a technical school or college, participate in the college level entrepreneur safe space, or leverage networking.
You would be stupid to not have a college degree.
But now the high cost of college is more of a privilege than anything else.
Good luck.