I agree, it's certainly a spectrum. Theranos comes to mind as one end of that spectrum. But in that case, the naysaying was around the physical impossibility

I agree, it's certainly a spectrum. Theranos comes to mind as one end of that spectrum. But in that case, the naysaying was around the physical impossibility of their core proposition. And, that was not a case where "good enough" was fine. The fact that they kept their supposed invention secret was another good reason to naysay. Here, Disney is demonstrating their result and progress. I didn't see if there was a research paper attached, but I would fully expect it to openly discuss the limitations.