The human brain works around a lot of limiting biological functions. The necessary architecture to fully mimic a human brain on a computer might not look anything like the actual human brain.
That said, there are 8B+ of us and counting so unless there is magic involved, I don't see why we couldn't do a "1:1" replica of it (maybe far) in the future.
That said, there are 8B+ of us and counting so unless there is magic involved, I don't see why we couldn't do a "1:1" replica of it (maybe far) in the future.