The article is pointless, I thought there would be interesting technical reasons why sending humans would be stupid but it's simply that he thinks it's cheaper

The article is pointless, I thought there would be interesting technical reasons why sending humans would be stupid but it's simply that he thinks it's cheaper to send robots. We go to Mars because people with the means to send people there want to. It's as dumb as wanting to cross the ocean to travel to a new unexplored continent.