It's interesting to hear your perspective as a former OpenAI employee. The point about the sustainability of subscription fees for chatbots is definitely something worth considering. Many developers mention the challenge of balancing user expectations for free services with the costs of maintaining sophisticated AI models. I think the ad-supported model might become more prevalent, but it also comes with its own set of challenges regarding user privacy and experience. And I agree that Google's situation is complex – they have the resources, but also the expectations that come with being a public company.