I dunno...
Latest of mankinds Starship boosters engine goes pop and it 'lands' at 1000kph.
Glenn goes BANG.
Anti gravity had better come around quick, as it's the only way I'm retiring on Mars.
Sitting on gazilliions of highly flammable liquid and praying that all the engines and pressure valves are working ok.
Like cars: Imagine an Alien saying "You mean you drive around with 50 liters of flammable liquid in a tank all the time with your wife and kids..?"
With me forgetting all my rocket technology science PHD/Masters; What's the difference in Falcon 9's tech, which is something I'd probably go up in (after a few beers mind you).