It's difficult - I have more of a fairness problem with this (such a deal would probably not be available to researchers or smaller companies) than a data priva

It's difficult - I have more of a fairness problem with this (such a deal would probably not be available to researchers or smaller companies) than a data privacy concern. As others point out downstream, I think it's not really in Google's interests to use the data maliciously and I have more faith in their opsec than that of any NHS trust.