I wonder if the technology is sustainable. I mean, as they grow, can they continue to use the tcp/ip network that is used for everything else by everyone, or wo

I wonder if the technology is sustainable. I mean, as they grow, can they continue to use the tcp/ip network that is used for everything else by everyone, or would they create their own private network. Would they become their own service providers displacing the traditional ISP's? (I couldn't read the full article as I didn't have access, so not sure if this is touched upon there.)