"There's a lot of systems that are integral to Rust, that are 3,000 lines long that could be 100 lines long," Rust developer and Garry's Mod creator Garry Newman told PCGamesN. Newman complained about the need to "chase" the game's code, saying that even when he and his team found what they needed, "then you change it and it breaks four different systems that you thought had nothing to do with it."
That turned out to be a big problem, as the Facepunch team has been working on several major changes to the game including new models, new textures and a new user interface. Rather than continue to clog up the already-bloated code, Facepunch decided to start fresh.
Well, at least they respawned with more than a rock to keep them safe.