We know it happens again millions of times a year just for human brains. As such the complexity of the brain is irrelevant - what is relevant is the complexity and reliability of the machinery that constructs it.
We know the volume of the machinery that constructs it, which allows us to compute an upper bound on the informational complexity of a system capable of constructing human brains.
To me it is totally unreasonable to suggest we will never be able to at the bare minimum mimic that process and grow whole brains.
To me most of the opposition to the idea of artificial intelligence seems to come down to people assuming we're bound to only try to do this with software on a digital computer. But if that proves fruitless, there's no reason to assume we won't try analog systems, or if all else fails try biochemical systems, all the way down to genetic manipulation and tricking cells into growing into brains for us to hook up to computers.
We know the volume of the machinery that constructs it, which allows us to compute an upper bound on the informational complexity of a system capable of constructing human brains.
To me it is totally unreasonable to suggest we will never be able to at the bare minimum mimic that process and grow whole brains.
To me most of the opposition to the idea of artificial intelligence seems to come down to people assuming we're bound to only try to do this with software on a digital computer. But if that proves fruitless, there's no reason to assume we won't try analog systems, or if all else fails try biochemical systems, all the way down to genetic manipulation and tricking cells into growing into brains for us to hook up to computers.