If we can get these sort of tools custom trained on proprietary custom video game engines I feel they could be enormously useful in job training and getting new jr members of the team up and running quickly.

Things like "how do I make a debug cheat command to increase player speed" would be a simple question that would send a jr programmer spending time asking around and poking through many areas of code (how do I make a debug command? oh It's imgui? how do I do that? what controls player speed?) but if an AI could provide a working example immediately that would be a huge time saver that would accelerate the new programmers' understanding of the codebase.