Pretty much completely disagree with the OP. Software Engineering never left, maybe the author moved away from it instead.

> Stop wrapping broken legs in silk. Start building things that are yours.

This however is deeply wrong for me. Anyone who writes and reviews code regularly knows very well that reading code doesn't lead to the same deep intuitive understanding of the codebase as writing same code.

So, no, with AI you are not building things which are yours. You might call them yours, but you lose deeper understanding of what you built.