It’s not a request to upvote—it’s a statement of approval. And as per Why our kind can’t cooperate, vacuous statements of approval or agreement are upvote-worthy, if only because of their rarity.
An even better idea would be to send the author a private message in appreciation; that wouldn’t decrease the signal-to-noise ratio but would have the same positive reinforcement effect.
It’s not a request to upvote—it’s a statement of approval. And as per Why our kind can’t cooperate, vacuous statements of approval or agreement are upvote-worthy, if only because of their rarity.
An even better idea would be to send the author a private message in appreciation; that wouldn’t decrease the signal-to-noise ratio but would have the same positive reinforcement effect.