Google showed that providing an input field in which people can put their questions and then display ads next to the answers is one of the best business models ever. If not the best business model ever.
Google was free, open and without ads in the beginning. It is just too tempting to become the Google of the AI era to not try and replicate this story.
Microsoft is trying it too, but for some reason, they do not provide the simple, clean user interface which made Google successful. I always wondered, why they didn't do that with Bing search. And now with Bing copilot they chosen the same strange route of having a colorful and somewhat confusing interface.
Let's see how OpenAI does.