Enter: the wheel of upvote options and the multidimensional spectrum of downvote options. Don’t worry, I’ll ask Google to analyse my life history and feed it into the emote-i-vote.
Come to think of it, I like the attach emoticon thing in GitHub (and lots of other social media? But I’ve liked it in GitHub) to get a relatively convenient and concise expression of “I like your message in this particular(ish) way”