If only the Yankees get access to it (e.g. they patented it and won't let other teams use it) then I could see it as an unfair advantage. In most other areas of America life, though, this innovation would be allowed or even celebrated. I imagine it will go the way of the brilliant strategic innovation a few years back of shifting defenders heavily depending on the batter's statistical hitting patterns. It'll get bann…
I don't know why anyone would be upset about this, but baseball fans tend to be curmudgeons.