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> But everything SpaceX has achieved so far was possible before.

This is not accurate: reusable orbital first stages is a SpaceX first, and the cost savings it yielded enabled Starlink, which is another SpaceX first (high speed, low-latency, low-altitude LEO satellite internet).

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Reusable rockets were developed by a private company 30 years before SpaceX.[1] Using such rockets as first stages is what SpaceX did first, I give them that. But it's more of a means to an end than an achievement. The savings so far are much lower than claimed. Deploying LEO satellites is nothing new. StarLink is burning a lot of money and it is questionable if they will ever become profitable.

[1] https://youtu.be/JzXcTFfV3Ls

The reusable DCXA in that video is not an orbital rocket. The F9 first stage is.

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