I realise that the argument upsets you (and frankly, it's difficult to figure the analogy), but that doesn't make it wrong. A different analogy (that's quite as

I realise that the argument upsets you (and frankly, it's difficult to figure the analogy), but that doesn't make it wrong. A different analogy (that's quite as offensive) might be slavery (""" = fake quote): """If you ask somebody if they want to be enslaved, of course they say no. That sounds evil. But in reality, slavery works, which means that people are more likely to work hard after being enslaved than they would be in the base condition. So this comes down to: do we believe what people say... or what they do?"""