Even if this was only implemented for the current post, it would be a huge help. Our neighborhood chat is full of “thank you” and “you’re welcome”. Although the manners are important and help keep our neighborhood friendly and fun, it would be so nice to be able to “like” someone’s thank-you post as a way of saying “you’re welcome” without cluttering up the chat. Or even a “you’re welcome” button. Something along these lines.
In a world full of misunderstandings and nasty communication, it is important to use good manners. And it would be nice to do it in less space!