Nailed it. I'd go so far as to suggest that mere reliability - and not deontological ethics - is probably where all the effect is coming from. In the article's

Nailed it. I'd go so far as to suggest that mere reliability - and not deontological ethics - is probably where all the effect is coming from. In the article's example, the problem with the anti-hawaii-trip partner is not that they care about victims of malaria, it's that they seem to be reneging on an agreement.