[amrb]

The secret ingredient is human feedback, would you invest billions in 40 people in a call center clicking between two text responses, as between that and scraped data from the internet it's not magic.

To answer the question it's the business model, remember google likes the status quo and it would just take time to train, also here's a breakdown if you want to see the blueprint. https://huggingface.co/blog/rlhf