I don't buy it. They're not going to re-engineer their netcode just because a development version of it got leaked. It will probably get rewritten anyway in

I don't buy it. They're not going to re-engineer their netcode just because a development version of it got leaked. It will probably get rewritten anyway in the normal course of development. But if they were counting on an obscure protocol keeping hackers out of their game, they were always going to lose that advantage within hours to weeks of the official launch anyway.