You keep asking questions implying that they're problems when in reality they're just really not that big a deal. Tax bureaucracies have dealt with exceptions s

You keep asking questions implying that they're problems when in reality they're just really not that big a deal. Tax bureaucracies have dealt with exceptions since forever. Same thing with legal systems. This is not the slippery slope that you're implying; you can certainly draw certain lines when the system that you're building has limited scope and leaves the outliers to other benefits systems.