This sounds plausible but I don't think it's correct. The body of knowledge you refer to is large but not that large. I think by the time a teenager with a pers

This sounds plausible but I don't think it's correct. The body of knowledge you refer to is large but not that large. I think by the time a teenager with a persistent interest in computers is 25 or so they can accumulate a similar level of expertise, and without no lifing it.