OP’s point: “Turning off my router at night will make a positive difference, but one too miniscule to matter.”
Wiki’s point: “Saying that a typical household would save 27.03467 pence per year by turning off the router at night is silly. Just round to 25 or 30 pence.”
You seem to be talking about https://en.wikipedia.org/wiki/False_precision.
I think its not really related.
OP’s point: “Turning off my router at night will make a positive difference, but one too miniscule to matter.”
Wiki’s point: “Saying that a typical household would save 27.03467 pence per year by turning off the router at night is silly. Just round to 25 or 30 pence.”