The capitalization of Internet earlier in history effectively said that going online meant using a brand-name product, when it didn't. Capping Internet turns it into a privately-owned brand – not tissue, but Kleenex. But the way we use and know it, the Internet is a tissue. It's not a Kleenex.
As Turow said, "The Internet, at least philosophically, should not be owned by anyone." He calls it "part of the neural universe of life."