Even last year's gpt4 could make a whole iphone app from scratch for someone that doesn't know how to code. You can find videos online. I think you are applying the ostrich method which is understandable. We need to adapt.
Complexity increase over time. I can create new features in minutes for my new selfhosted projects, equivalent work on my entreprise work takes days...
Making a simple app isn't evidence that it will replace people, any more than a 90%-good self-driving car is evidence that we'll get a 100%-good self-driving car.
Which industry would you pivot to? The only industry that is desperate for workers right now is the defense industry. But manufacturing shells for Ukraine and Israel does not seem appealing.
