The state of the art is moving so rapidly that, yeah, Copilot by Microsoft using gpt-5-mini:low is not going to be very good. And there are many places where AI has been implemented poorly, generally by people who have the distribution to force it upon many people. There are also plenty of people who use vibe coding tools and produce utterly atrocious codebases. That doesn't preclude the existence of effective AI tools, and people who are good at using them.