I’d argue it doesn’t, and moreover you cannot buy intelligence.

Sure, you can buy some books with some stuff in it and memorize that stuff, or pay for a class on some stuff and test well, but critical thinking skills seem to either innately exist, or not (depending on the individual in question), within us.

I’ve met people with pieces of paper that proclaim them to be certified smart that are dumb as rocks but were simply able to move through the system well enough to fool people, and people who have no such paper who are more intelligent than the former could ever hope to be. Shit happens.