Given the volatility of the space I don't think it could have been doing stuff much better, doubt it's getting out of alpha before the bubble bursts and stuff settles down a bit, if at all.
Automatic pr generation sounds like something that would need a prompt and a ten-line script rather than langchain, but it also seems both questionable and unnecessary.
If someone wants to know an LLM's opinion on what the changes in a branch are meant to accomplish they should be encouraged to ask it themselves, no need to spam the repository.
I think most people will ultimately associate chatbots with corporate overreach rather rank-and-file programmers. It's not like decades of Microsoft shoving stuff down our collective throat made people think particularly less of programmers, or think about them at all.