I think OP is confusing narrow AI and general AI. Narrow AI simply does tasks (aka bots and chatgpts) while general AI is the one that learns. Imo we already have bots that play arguably better than humans in ffxiv, trusts are the proof, it dont help most gameplay in ffxiv is like a dance so it makes their task easier.
Ever heard of AlphaGo vs Go world champion Lee Sedol or Deep blue vs chess champion Kasparov back then?