Humans running multishot with mixture of experts is close to perfect. You can't compare a multishot mixture of expert AI to a single human, humans doesn't work in isolation.
We haven't even gotten there yet, have we?
My professor (Sir Michael Brady) at university 14 years ago set up a company to do this very thing, and he already had reliable models back before 2010. I believe their company was called Oxford Imaging or something similar.
Yes and no. Countless teams have solved exactly this problems at universities and research groups across the world. Technically it's pretty much a solved problem. The hard part is getting the systems out of the labs and certified as an actual product and convincing hospitals and doctors to actually use them.