It could be really cool to have achievements & ranks, depending on how active you are, downloads etc.. It could motivate some users to be more active. There could be a leveling and for certain levels you could have a rank.
Cool concept! Our first step is to migrate CurseForge smoothly from Twitch, and afterwards we will check out further UX, this is certainly something we'll consider, even if it takes a while to kick off. thanks for the feedback :)
You can also follow our Road Map over here.