I didn't read it that way at all. I read it as a strong validation of the idea. Like if I have cancer, and I read that they cured a different type of cancer, I

I didn't read it that way at all. I read it as a strong validation of the idea. Like if I have cancer, and I read that they cured a different type of cancer, I'd be like, "now one for mine, please". There's no implication here that curing that other cancer was a waste of time.