[maxerickson]

Michigan, Pennsylvania and Wisconsin would be enough electoral college votes to change the election result. The combined margin in those states is currently about 250,000 votes.

So if a few hundred thousand people had decided the other way, the electoral college would have gone to Harris, without really changing the popular vote outcome.

You may be imputing a position that the poster you replied to didn't take (they said voting in a state with predictable outcome feels like a charade, without saying anything about how they vote).