In all seriousness, people probably do more favors for attractive strangers. And HN is probably populated with average-looking people, at best. In some ways, this means that the stories posted here will be of true altruism.
On the other hand, if you asked a bunch of great-looking people what strangers had done for them, you'd get a bunch of stories about people who were very kind (but perhaps not entirely altruistic in their intent).
alt Hacker News
In all seriousness, people probably do more favors for attractive strangers. And HN is probably populated with average-looking people, at best. In some ways, this means that the stories posted here will be of true altruism.
On the other hand, if you asked a bunch of great-looking people what strangers had done for them, you'd get a bunch of stories about people who were very kind (but perhaps not entirely altruistic in their intent).