> They created an amazing technology that oftentimes is indistinguishable from magic and then use it to deliver ads
The people who created the tech and the ones that use it for ads in this case are two different groups - the first one is from Google (initial discovery) and OpenAI (realizing the potential of discovery and developing it into a product), whereas the second is the same company that decided that building ads into an operating system is an excellent idea.
OpenAI is testing ads already: https://openai.com/index/testing-ads-in-chatgpt/