It can happen. Lots of little kids and teenagers sustain effort to play video games.

There is something to be said about being able to sustain effort over long periods of time (months, years) to master something, whose training includes things that are not pleasant. However, this is not something that formal education does very well. Ultimately, the person learning is the one who has to concentrate. Sticks and carrots do not necessarily goad someone into concentrating.