Which you haven't shown. You haven't proved that Alien X was moving those orbs in the first place.
The simplest explanation is that the orbs automatically moved their designated positions when Alien X recreated the universe. We don't see Alien X do anything aside from just standing there while the orbs move to create galaxies.
Again, it isn't shown or stated that he moved those orbs. We also don't see how he creates those other space-times, only the dimension that he is in currently. After all, you and I both agree to go by what is shown.
This would only ever apply if did not move those objects at once. Even assuming Alien X telekinetically moved those orbs, then he would still be moving them all at once. It would be a range feat, not a speed feat.
No, this isn't how it works. Again, moving every single object individually would be infinite speed since you are performing an infinite number of actions at the same time. But Alien X (once again, this is assuming he did move those orbs in the first place) did not move those orbs one by one, he moved them all at once.
Once again, moving objects across an infinite universe does not net one infinite speed automatically. You would have to prove that those objects were moved an infinite distance in the first place, and you would also have to prove that Alien X made those orbs move himself and not on their own.