[emodendroket]

Many people do put their lives into things without ever becoming world-class talents.

[chrishacken]

Understanding an algorithm or concept is not a world-class talent.

[yequalsx]

There are lots of concepts whose understanding is a world class talent. In mathematics one would be hard pressed to find 10 people who have read and really understand Hironaka's Resolution of Singularities. There are many, many concepts whose understanding is a world class talent.