Who Were the Sea Peoples?

Lots and lots of people will tell you that heliocentrism was disturbing when it was first being debated because it "displaced humanity from the center of the universe." But when I ask actual historians of science about this, they say there is just no evidence for this at all. Here's is yet more testimony to this effect: the center of the universe was it cesspit, and at the very center was hell and the demons: the very worst place to be of all! To get out of the center was a promotion.

"And as the cosmos had spread into infinity, so he had seen his, everyone's position in it correspondingly reduced. For the first time in more than a thousand years, anyone with the learning to see (and there were still very few) beheld a universe that no longer revolved around the world, and a world that no longer revolved around humans." -- Benjamin Woolley, quoted in John Gray, The Soul of the Marionette , p. 99 What are we to make of this passage? First of all, why is Gray quoting a pop history writer describing Dee's situation, rather than quoting Dee? Perhaps because there simply is no quote in Dee that actually supports the above narrative? Secondly, what is this about the cosmos "spreading into infinity"? Heliocentrism does not equal an infinite universe, and the current cosmological consensus is that the universe is not infinite. Thirdly, what is this, "For the first time in a thousand years" business? As far as I know, there were ...