Yes, but genius should be not synonym with exceptionally talented. Although anything useful including natural perseverance or optimism and motivation should be called a talent.
An idea can be called genius. Often it requires knowledge and experience and coincidence for a genius idea (innovative idea, wise idea, disruptive idea).
Often it requires many years of efforts to create or to discover something new or great or genius.
A genius is a person who displays exceptional intellectual ability, creative productivity, universality in genres or originality, typically to a degree that is associated with the achievement of new advances in a domain of knowledge. Despite the presence of scholars in many subjects throughout history, many geniuses have shown high achievements in only a single kind of activity.[1]
"Readers have much to learn from Gladwell the journalist and essayist. But when it comes to Gladwell the social scientist, they should watch out for those igon values."
Here's a critical review from Steven Pinker that criticizes the kind of reasoning Gladwell uses in this article: https://www.nytimes.com/2009/11/15/books/review/Pinker-t.htm...