The article makes a reasonable case for internal tools but glosses over the elephant in the room: if every company can vibe code their own B2B tools, what happens to the SaaS vendors? The ones that survive will be the ones where the distribution and ecosystem around the product matters more than the code itself. Nobody is going to vibe code their own Stripe or Salesforce, but the long tail of niche B2B tools is absolutely vulnerable.
I suspect the SaaS that survive will use a balanced method, because it is about far more than the code