DNA is based on uTorrent, which is closed source - rather then the open sourced BitTorrent client. But if you want to go down that road, whats to stop anyone f

DNA is based on uTorrent, which is closed source - rather then the open sourced BitTorrent client. But if you want to go down that road, whats to stop anyone from redoing any idea on their own instead of using a pre-existing product? Not very much, in reality.