Any article making such a claim need to start with explaining what evidence they have that human brains are not computing devices that can be replicated or simulated. Because absent evidence that there is something fundamental preventing us from one day copying the structure of a human brain and ending up with a working device, whatever claims they make are hand-waving.
I think you missed the main point, replicated economically. Given unlimited budget, I think simulating the human brain might be possible if one could use a powerful enough computer for evey neuron.
> A closer look reveals that although development of artificial intelligence for specific purposes (ANI) has been impressive, we have not come much closer to developing artificial general intelligence (AGI). The article further argues that this is in principle impossible, and it revives Hubert Dreyfus’ argument that computers are not in the world.
This is not an argument about cost - the article argues that it is "in principle impossible".
Any argument about cost I think is also irrelevant: We know from the existence of the brain and how a brain is produced that it is possible to produce one relatively cheaply via biological processes.
It seems highly unlikely that our ability to produce an artificial brain will not eventually approach the cost of growing one, because the "worst case" scenario is for us to find ethical ways of growing brain matter via biological processes and hook them up to computers, and it would seem unlikely that we will not eventually find cheaper ways of doing so than growing full mammalian bodies with it, and that we can not find any ways of optimising the process.