Then why was the first thing stored in the blockchain is non monetary data “The Times 03/Jan/2009 Chancellor on brink of second bailout for banks.”

Pretty good point, the genesis block is very special and unspendable, but I see what you're saying

Cash --> Cache --> "a place to store valuable things" Think, supply-cache, weapons-cache, data-cache. Value is subjective, and ironically, cash leaks value more than anything; it's a very poor incarnation of a cache.

Yes but money converges to one asset.