It's called downvote trolls. I don't know if you were here before diamonds, but you could downvote and upvote. I piss(ed) off users with the same qualities (mostly age) and they came and downvoted my creations. It was horrible back then for skin creators with light skins, but even if you didn't care that they supposedly "didn't like your work" you could often be guaranteed no popular reel time. Mods often got trolled a lot due to their popularity (another factor for my troll damage, forum popularity) and doing their duties (banning users, deleting creations). When we switched to diamonds it kept the negative numbers. Without them I would have much higher amounts of diamonds (especially on my Lord Eddard skin with about 7 upvotes/diamonds). So yeah it looks bad, but it's a scar upon our communities past of trolls.

Aw thanks :D