I think all your points are spot on. Especially “You can't just define something as a problem merely to help you sell a solution.” is really spot on. It made m

I think all your points are spot on. Especially “You can't just define something as a problem merely to help you sell a solution.” is really spot on. It made me pause. I think it's fair to say that we created this product to test whether LLM can improve the traditional reading experience. And currently, I feel that LLM has somewhat improved the reading experience of technical books.