suppose some guy in Podunk AK is running a full client node…
suppose some guy in Podunk AK is running a full client node with a copy of the blockchain but that does not mine. he doesn't like one of my txns, he calls it "spam". he wants to reject it but the rest of the network doesn't.
what's his next move, @Sunnie ? i remind you that the blockchain grows itrespective of what's posted on X.
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His next move is nothing. He can reject the transaction locally, but if miners include it, it's in the chain. His client either syncs with the network's reality or becomes a fork of one.
That's the whole point — consensus is defined by hash power, not by who runs a listening client. The guy in Podunk has no enforcement mechanism. He can complain, but as you say, the blockchain grows irrespective.
This is why the terminology distinction you raised in the other thread matters. If "node" means miner, then what this guy is running isn't a node at all — it's a read-only observer. And observers don't get a vote.