(disclaimer: I have a vested interest in the space as the purveyor of an AI software development agent)

The result you described is coming soon. CheepCode[0] agents already produce working code in a satisfying percentage of cases, and I am at most 3 months away from it producing end-to-end apps and complex changes that are at least human-quality. It would take way less if I got funded to work on it full time.

Given that I'm this close as a solo founder with no employees, you can imagine what's cooking inside large companies.

[0] My product, cloud-based headless coding agents that connect directly to Linear, accept tickets, and submit GitHub PRs