Most likely, as with all AI as a service startups. After a certain mass of users the models can’t keep up. So to reduce the response times they pay offshore firms to have real people answer the chat. Unfortunately, doctors willing to answer a chat all day are way less numerous than cheap labor.
The argument I’m replying to is a classic “not perfect, thus not worth it”. Its disingenuous and it calls for disingenuous reply. We are also pursuing renewables in despite of their political and technical flaws. The point is that all the flaws that OP exposes about nuclear power also applied to renewables (at one point in history solar power was 10x more expensive than nuclear) and also to oil. They are status quo defending arguments designed to halt thought, paralyze action and scoff change. Just because it isn’t perfect doesn’t mean it isn’t better.