I probably am less sanguine than you that public policy can in fact lead us to "rest assured that they're paying their fair share." But certainly public policy

I probably am less sanguine than you that public policy can in fact lead us to "rest assured that they're paying their fair share." But certainly public policy can and should play a role here. The point is, just saying, "Well, your decisions impose a burden on everyone else" as though that were the end of the discussion proves too much. You have to lay out the costs and benefits.