Why should I learn about video games?

Why do many adults avoid or discount video games?
Why are others so obsessed?

After reading the introduction and chapter 2 of Gee's book it would be easy to say that some older, very mature in age adults are set in their ways and will never use a computer much less attempt to play a video game. Adults who are of a progressive nature will take on such tasks. Curiosity drives many people to try things that will get them out of their comfort zone. It truly is a different way of communicating for there are many ways to get connected with an entirely different social network of people. They are learning new problem solving techniques. The critical thinking builds bridges to new ideas and opens doors for a wide range of relationships to develop. I believe the avoidance comes from a fear of the unknown and the failures that come with it. Some see it as a waste of time because they feel it is targeted towards a younger audience. Many are simply uninformed and unaware of the technology. They turn their heads to what is obviously taking the whole wold to a global community.
The obsession, is a thirst, that can't be quenched. Some people will spend hours, days, weeks, or months networking different virtual worlds. The competitive nature takes control. There maybe rewards or incentives, perhaps monetary, or certifications, or recognitions that keep the interest peaked. The fantasy is fulfilled in many different ways. Or maybe they just want to finish a difficult game.