A reasoned argument I agree with.

The challenge is that the competitive and economic pressures make this moot.

A person, entering the field via AI driven development, will have none of the qualms about skill, seniority, understanding the codebase, or craftsmanship. Those arguments are handwringing by the previous generation of engineers. Their focus is solely on the outcome and value produced from the input prompt. That aligns closer to how businesses see their codebase: something they have to prompt their engineers to produce in order to generate business value.

Similarly, new AI driven companies focused on delivering value at speed and lower costs will have none of the baggage of the legacy code companies with engineers stuck debating these questions. These new gen companies will be focused on delivering value, doing so at quicker speeds and lower costs, raising the level of competition for existing incumbents.

Will existing businesses be willing to spend money to purchase services from these new gen companies of AI developed products? Seems like it.

There are real problems with these AI developed codebases. They tend to collect baggage and start to feel like a house of cards. A big open question is whether AI models will continue to improve in order to patch all the vibe-holes being generated. Seems like they will improve.