It has been repeatedly demonstrated that machine learning can reliably predict when, for example, a bipolar person is going to enter a manic phase. Should ad c

It has been repeatedly demonstrated that machine learning can reliably predict when, for example, a bipolar person is going to enter a manic phase. Should ad companies be able to model someone's mental illness and show them ads for gambling sites, or whatever, when their brain is acutely more susceptible to them?