All the big techs have accelerated zilch in actual features released or user-facing bugs fixed. All that seems to have accelerated is cybersecurity offense and defense.
And these are supposedly the most brilliant corporations around, so other companies are seeing even less gain.
I stick with my theory that LLMs are GPU-like, not CPU-like. They will rarely solve a problem like an adept, but they can solve 1 000 000 million low-hanging fruit problems within a second in a way that there was just not enough eyeballs for before. They can also brute force problems.