I'd say they need not be "morally net positive," but I'd prefer they didn't engage in practices that are morally detrimental. Or, you don't have to sponsor a t

I'd say they need not be "morally net positive," but I'd prefer they didn't engage in practices that are morally detrimental. Or, you don't have to sponsor a tree-planting program, but please don't irresponsibly dispose of all that used motor oil you're collecting.