You have a valid point, I did some Deep Learning-based medical research as well as analytics on top of FHIR and having more data is absolutely essential for e.g

You have a valid point, I did some Deep Learning-based medical research as well as analytics on top of FHIR and having more data is absolutely essential for e.g. finding correlations/covariate conditions/risk factors etc. However, there are massive privacy risks, economically-ruinous or literally life-threatening.