You guys are living in that fantasy world where real GMs are all going to use FV charts when making trades no matter what. All the numbers make tons of sense in theory - unfortunately the guys that do this for a living aren't playing fantasy baseball and they have fanbases to answer to.
i think you're crazy if you don't think GMs use surplus value calculations when making deals. AA pretty clearly considers this stuff heavily. any good FO isn't making deals based on feeling and names. value is the name of the game.