From the second video: "We can focus on the things that excite us rather than just the maintenancing [maintenance] work".
But these are the kinds of problems that help shape the product. The software archictecture should be a compression of a deep and intuitive understanding of the problem space. How can you develop that knowledge if you're just delegating it to a black box that can't operate at a near-human level?
I've used ai based tools to great success, but on an ad-hoc basis, for specific and small functions or modules. To do the integration part requires an understanding of what abstraction is appropriate where. I don't think these tools are good that.