It’s virtually 15 years to the day that you posted that
And, well, I expect that your predictions of the future success of Twitter and all of Musk’s other ventures are about as reliable as your predictions about SpaceX back then. Regardless of whether you think Musk contributed technically or just has a good eye for hiring the right people, SpaceX went from essentially nothing to having the sole operational US crew launch capability as well as providing 2/3 of the world’s orbital upmass. And will likely continue that dominance given the incompetence of competitors like Boeing, Arianespace, and Roscosmos.