The patients know this. Asking for consent would still yield the vast majority of the data.
It would also mean more people analyzing it - I know at least one big pharma company that won't touch patient data that was taken without consent because they don't want to be associated with such unethical practices.
It would also mean more people analyzing it - I know at least one big pharma company that won't touch patient data that was taken without consent because they don't want to be associated with such unethical practices.