From the article:

"Play is an integral part of human evolution and learning," she says, mentioning that this is a topic she covers in her book. "Gaming, being the most refined form of play in our time, has much to offer. Instead of focusing on what gaming is not, it's more effective to showcase its true essence. The industry's effort to create a more diverse range of games, beyond merely violent and intense ones, will help showcase the broad spectrum of gaming as an expression of creativity."