"Character Boosts are not in keeping with Classic. We don't want to break any hearts."

WoW Classic Mists of Pandaria Classic Discussion
2114

Blizzard literally only gets money from subs for classic. It’s a smart business decision letting people boost ONCE.

I also want boosts in the game, so my mates that started in TBC can catch up to me and play as soon as tbc is released.