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Starship is huge and heavy and made of steel, it will not burn up on reentry, if it falls on a populated area it will kill people. They will not be allowed orbital trajectories until they demonstrate they can control the deorbit burn.

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An empty Starship has a very low ballistic coefficient, it will be torn apart by the atmosphere if not carefully controlled. Add to that the FTS and there is no real danger to population on the ground.

Of course it will not maintain its shape, but the pieces that land will be large.

It's made of 4mm thick steel sheets, and the FAA disagrees with you.

Columbia was torn apart by the atmosphere... and dropped huge chunks that were a danger to people on the ground-- some as large as a VW Beetle.

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