You know your stature by the enemies you make, right? That’s the old saying at least. Well, “enemy” might be too strong a term — business is not war — but Square this week found itself a target of First Data and Fiserv, two big payments players merging in a $22 billion deal that will result in a consolidated organization called Fiserv. When talking about the deal, Fiserv CEO Jeffery Yabuki described Square as a threat to traditional banks.