I've wondered why diagnostics doesn't work differently. Why not have a specialist collect the data needed: pictures, temperatures, blood pressures, basic answe

I've wondered why diagnostics doesn't work differently. Why not have a specialist collect the data needed: pictures, temperatures, blood pressures, basic answers to questions, etc... Then farm this data out to several doctors who make a diagnosis -- until you've reached a statistical significance. Then, use this data to train a machine learning model.