I'll stop you right there. AI is not good at systems programming, it's good at CRUD web development, which is where most people are seeing the gains.
AI has solved simple CRUD, yes, but CRUD, was easy before.
Now there may be an additional corner case or 20 where its still valid but they are not your typical software engineering work.
I also have your experience, even 100x code delivery improvement would barely move the needle of project delivery in our place. Better, more automated integration and end-to-end functional tests which reflect real world usage/data flows would actually make much bigger difference, no reason to think llms couldn't deliver this in near future.
Maybe they're using AI for testing and reviewing more than you are, not just for coding?
Maybe they're using AI for testing and reviewing more than you are?
For things like web frontents/backends, though, it works beautifully. I ship things in days that would take me weeks to write by hand, and I'm very fast at writing things by hand. The AI also ships many fewer bugs than our average senior programmer, though maybe not fewer bugs than our staff programmers.
The boost is for what are glorified crud apps which it 1000x the tedious work. However, the choices it makes along the way quickly blows up without cleaning. Seniors know how to keep their workstation clean or they should.