Until we have AI (since remote control doesn't work in this case) and far, faaaar better robotics, humans are vastly superior to have on Mars. Well, if they're

Until we have AI (since remote control doesn't work in this case) and far, faaaar better robotics, humans are vastly superior to have on Mars. Well, if they're alive, anyway. See also: You can probably do things a roomba can't.