Yes he effectively implied that. You do not comprehend the technical meaning of the quote, thus you are reading it only literally as English words without understanding what he is describing technologically.

He wrote that the only way that the mapping of the topology could scale out to "ten thousands of nodes" was to have the other nodes rely on the "24/7 nodes", i.e. the centralized nodes that are always there and stabilize the protocol. And for the case of millions of wallets, it would not be able to scale out a decentralized operation.