It doesn't. But it does allow preventing stuff like like seeing through walls. Although it would have to fail around corners for a short distance so players don

It doesn't. But it does allow preventing stuff like like seeing through walls. Although it would have to fail around corners for a short distance so players don't pop into view. Server authoritative solves less and less cheating problems the more sensitive to latency the game is. Non twichy RTS games could not send everything in the fog of war for example, and after checking for super human input, you'd have solved a good chunk of cheats.