Is there an endpoint for AI improvement? If we can go from functions to classes to substantial programs then it seems like just a few more steps to rewriting wh

Is there an endpoint for AI improvement? If we can go from functions to classes to substantial programs then it seems like just a few more steps to rewriting whole software products and putting a lot of existing companies out of business. "AI, I don't like paying for my SAP license, make me a clone with just the features I need".