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by int_19h 2335 days ago
Servers usually try to do culling, if only to optimize network traffic. But they can't cull in real time, because the visual lag from round-trip to the server would be too much; and if the client doesn't wait for the server, then the player would see gaps in the world if they move around fast enough that server can't catch up. So they pessimistically provide more data than the client "should "know about.