In our culture, we seem to think (or want to believe) that neuroscientists know more about things than other people. But they're just normal people like you or I.
Do people really believe that? A neuroscientist is (i hope) more knowledgeable about the brain than you or me. But I don't think people see them as omniscient. We all have a unique perspective. This particular piece could have been written by any thoughtful person diagnosed with a terminal illness. In fact, there is a whole genre of these stories. And each one of them gives me pause and helps me refocus, if not for just a little while.
I think neuroscientists know more about the brain than you or I, but not in any way that helps them in life outside of the laboratory.
Related: en.wikipedia.org/wiki/Halo_effect
They are the highest priests of scientific materialism. If brain activity is all that is to life, they know more than anyone.