Because if he doesn’t farm he starves as well. The issue is that people doesn’t think through the long term common good consequences of their actions, less so because they’re selfish, but more so because people aren’t designed to think that way.
Which is why I added that instead of being a farmer, he could just join the mob of people that would have raided him if he had been a farmer. Why aren’t they all farming?
Because if he doesn’t farm he starves as well. The issue is that people doesn’t think through the long term common good consequences of their actions, less so because they’re selfish, but more so because people aren’t designed to think that way.
Which is why I added that instead of being a farmer, he could just join the mob of people that would have raided him if he had been a farmer. Why aren’t they all farming?