edit: ingame boosting for gold, ofcourse boosting for money was always banned
I'll spare you the "my gf works for bobby kotick and is sucking his dick in exchange for info". Blizz currently has plans to ban boosting fully or at least intervene in some meaningful form, heres what i was told:
i.imgur.com/FXOJihO.png (sorry cant post links)
source: dude trust me, also behind tor because mods on mmo-c probably would leak my ip to blizz and then connect the person im talking to me