It’s really expensive, time consuming, and difficult to gather exports together like that.
The closest anyone comes to research university is national laboratory, or something like Bell Labs. But you’re unlikely to have access to those.
And you’re unlikely to ever have another time in your life when you can take 4 years to devote almost solely to learning.
As to why you’re unlikely to have another time in your life when you can do this, that’s also because of money. Life tends to get more expensive the older you get.
It’s really expensive, time consuming, and difficult to gather exports together like that.
The closest anyone comes to research university is national laboratory, or something like Bell Labs. But you’re unlikely to have access to those.
And you’re unlikely to ever have another time in your life when you can take 4 years to devote almost solely to learning.