These 80ms were just fine because game engines already employ a lot of nifty tricks to minimize the negative impact of latency. Tricks which mostly only work as

These 80ms were just fine because game engines already employ a lot of nifty tricks to minimize the negative impact of latency. Tricks which mostly only work as well as they do because the engine has an inside view on the gamestate. 80ms of video lag are far worse for the gaming experience than 80ms of "conventional" client-server lag.