"This place is a lot bigger than New York," Leo points out, not unkindly - if this really is possible, he'd be more than thrilled to go through with it, but his brother has a habit of running away with ideas before looking at every angle. He just wants to make sure they're not planning a suicide mission. "Not to mention insulated. Every big player in the city has their eye on the Network. Donatello - are you sure this won't attract attention?"