> Perhaps a meta evolution, they become experts at writing harnesses and prompts

Harnesses, maybe, but prompts?

There's still this belief amongst AI coders that they can command a premium for development because they can write a prompt better than Bob from HR, or Sally from Accounting.

When all you're writing are prompts, your value is less than it was before., because the number of people who can write the prompt is substantially more than the number of people who could program.