I would agree. The heatshield is tricky. But they have shown they can survive without parts of the heatshield. But its a problem for rapid re-usability. That s

I would agree. The heatshield is tricky. But they have shown they can survive without parts of the heatshield. But its a problem for rapid re-usability. That said, I think Starship architecture can be useful even if this issue is not fully solved. Starship can be much, much cheaper then SLS even if they throw away the upper stage.