2

Out of curiosity, why can't we re-upvote comments after upvoting and removing the upvote? As there aren't any penalties or rewards, I was just wondering, why the seemingly arbitrary limitation?

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5

Waffles explained why on MSO.

We do not want flip flopping, nor do we want people to un-upvote stuff from the past. The only use case is undoing a mis-click.

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