If AI is powerful enough to flood open source projects with low quality code, it will be powerful enough to be used as gatekeeper. Major players who benefit from OSS, says Google, will make sure of that. We don’t know how it will play out. It’s shortsighted to dismiss it all together.
There’s emacs, vim, and popular extensions of the two. OpenBSD, lots of distros (some do develop their own software), SDL,…
Even then, I am not sure that changes the argument. If Linus Torvalds had access to LLMs back then, why would that discourage him from building Linux? And we now have the capability of building something like Linux with fewer man-hours, which again speaks in favor of more open source projects.