[WalterBright]

> It had been flown and landed multiple times

A whole 5 times. The space shuttle flew many times before the Challenger.

> You think Musk wasn't puckered

It's a whole lot different when your own ass is the one that will die.

> Branson is a daredevil

And yet he still didn't dare to take the first manned flight.

> it's also not a special achievement

It's untried and very complex software. We know how that often goes.