In that vein, Overwatch announced a new endorsement system yesterday, where people can mark others for "sportmanship", "good teammate", and "shot-caller", and they're going to highlight players who regularly get them.

https://mic.com/articles/189690/online-shooter-overwatch-to-...

They've been getting more and more requests for ways to penalize bad players, so I thought this was an interesting direction to push for features. A little more sophisticated that the general "commend a teammate" feature that was more or less just an upvote.