Buttered Pikachu on 21. Jun. 2017.
While I agree that the loot box RNG and duplicates is a really bad system, the Gold Loot box isn't something you should get angry about. Twitch Prime has constant promos for games. A random loot box, an exclusive skin, whatever. It's something that has been going on for as long as Twitch Prime has existed. Getting angry about it, as if it's some sort of insult directed at player, is just stupid. Under most circumstances, promo items are created for an exist only for whatever promotion they're available from, that's just how it works.