The line between a random American and a random Soviet person depends mostly on what part of the world they were born in. A person who lands on Mars is not random; they couldn't get to Mars without enthusiastically participating in the system. The people who praise the astronauts are aware of this too, and will treat the astronauts' successes as a success of the system, not mainly as the success of an individual astronaut.
They both landed on Mars. Which one touched first is random. If it wasn't, it would be signalling that one country is better, which is the exact opposite of the point of a joint mission to Mars. It's to show the two countries respect each other as equals. Getting to Mars is just a bonus.
Another month, another rationality quotes thread. The rules are: