It sounds like a nice idea, but I don't think it's a very practical one.
It drives away anyone who wants to give but is unable or unwilling to devote the kind of time necessary to do this kind of in-depth research (the amount of which only goes up the more money you want to give away).
It drives away anyone who wants to give but is unable or unwilling to devote the kind of time necessary to do this kind of in-depth research (the amount of which only goes up the more money you want to give away).