The loss of full nodes is due to a delay in the appearance of Bitcoin-native businesses. There's nothing wrong with the demands of running a full node being something that only power users/small businesses and up can handle.
I expect this to gradually become a middle class trapping too, along with running email+SIP from the same home server (after all, they're the section of society that are being squeezed furthest out of their previous position in the relative earnings ranks and also who are reacting with most concern to the state surveillance culture)