Considering the state of the current US Administration, its impossible for me to take cries of national security and worries about abuse from "authoritarian governments" seriously
I won't say too much about the person posting this because they got a new toy and want to use it but man this is like a certain extreme of Parkinson's Law or something as far as using up compute resources.
You got a whole data center doing god knows how much compute running billions of matrix multiplications all to solve a trivial css overflow bug in a text box. And this includes the LLM itself writing custom web-servers programs and python scripts when the best estimate guess from a google search probably would have given you the same result.
You could use the argument to justify installing functionally anything. From a key logger sending over everything you type to a crypto miner mining exclusively for google. I download a browser to browse the web. An AI agent is something else.
I think Code has fine git integration, but they way they implement it is just very Microsoft. The UI is very much like the one they use in their professional Visual Studio UI, and whether that's a good thing or not is definitely a very personal choice.
I much prefer JB's git integration, but I wouldn't discount it just because the UI is so completely different.