We have good engineers that gave us curl, ffmpeg, the 4.4BSD, tmux, vim and emacs, x11,… To this day, no one can show any particular important software that comes from LLM assistance at scale. It’s all slop.
Building software takes time. It remains a difficult craft, with or without the help of LLMs. You can't simply build a piece of "important software" in just a few months, and the good models capable of reasoning on complexity came out just a few months ago. And no, it's not "all slop". If you're incapable of using tools to build something meaningful with them, it's on you - don't blame the tools. LLMs are qualified to help with developing software, and if you're focusing on just the code-generation aspect of it, you're using it wrong; that's not how it's done.
llama.cpp has significant AI contributions. The Linux kernel too is receiving AI patches. You are seriously out of touch.
Well it's been barely a year, but basically all commercial software, and most open-source software, is engineered with AI assistance. It's not all slop, you just aren't looking around. Ask any engineer at any company - are they using LLMs to assist in writing code? All of them will say yes. Source: I'm a software engineer working on commercial software at a company, I also talk to many engineers at other companies.