Honestly, I thought the same about the whole Perseverance landing sequence on Mars. But now it's done, and the rover is running around doing its thing. So, wh

Honestly, I thought the same about the whole Perseverance landing sequence on Mars. But now it's done, and the rover is running around doing its thing. So, what I learned is that single points of failure on initial deployment -- which by definition only has to run once -- is a drastically different cost vs risk calculation than something that happens during normal operations.