Why Does the World’s #2 Sport Need the Olympics?
The dream of winning an Olympic Medal inspires athletes from all over the world, and it will motivate athletes in countries that do not currently play Test cricket or the World Cup. The Olympics is the largest stage in the world for sports, and being in the Olympics will help cricket spread faster throughout the world.
Why 2012 ?
The 2012 Olympics will be held in England – England has a cricket infrastructure and the diverse public for a successful start
The above taken from Cricket2012Games.com
See an excellent article at Inside The Games: David Owen on the Chances of Cricket Making It Back Into The Olympics
Cricket Europe article: Cricket in the Olympics?
Wikipedia: Cricket at the 1900 Summer Olympics
Cric Info News: The Ignorant Olympians