None at all. I'm the one arguing that we don't know whether it is a net good or bad. Much like throwing pennies off the top of the Empire State Building, thoug

None at all. I'm the one arguing that we don't know whether it is a net good or bad. Much like throwing pennies off the top of the Empire State Building, though, uncertainty about whether something will have positive or disastrously negative consequences is generally a good argument against doing it.