Bots with gold inflation, heart-breaking consume costs. "Buffing bosses" may not translate into more work, but it does mean more obligations to purchase more consumables. The players will then be pushed into the gdkps. While I'm not saying that WOW TBC Gold classic wasn't enjoyable but the game got considerably less fun AQ and naxx
Those were mega server problems. My server had about 3.5k users and it was awesome. There is no need to pay for consumes if you farm them yourself. Inb4 : not enough nodes it's a huge server problem. Servers with vanilla like populations have buy Burning Crusade Classic Gold never had problems.