Of course decision making has been automated, that's literally what computers do. This will just streamline the process of pushing it into more problem domains. Everyone thinks their job is special and that automating any part of it will be the end of the world.
Eventually, with full human level AI yes, sure, at that point we'd not be augmenting human intelligence but genuinely substituting for it. We are a long, long, long way away from that though.
I edited my post above, so you may not have read the last paragraph.