In the LFG subforum. All those looking to get paid gold for services. Quite a bit smarter than the NPC ‘bots’, but a fair bit more expensive in digital gold too.
Cut from the game just like set items, runes, and everything else that’s good from d2. Presumably so they can sell them to you in the next two expansions so it seems like you get all your toys back. Then Blizzard devs don’t have to be creative and come up with new innovative ideas and concepts. It’s just easier to resell you ones d2 devs came up with 2 decades ago.