I've been thinking about this too and may try to build it once I retire. One challenge is defining "doesn't profit from me" which I've genericized as "high qual

I've been thinking about this too and may try to build it once I retire. One challenge is defining "doesn't profit from me" which I've genericized as "high quality". Many things that are high quality profit from you, but they profit by providing real value to you. How you turn that into a set of rules or a model is tricky.