the argument appears to be "I don't sort things folders at home and Google does everything for me, so an era must be over and I need to write an article about it"
Sadly the article misses on elaborating on and explaining how semantic search (if that really is what he meant) will help alleviate the problems that do come with folder-based organization.
And how, even if the basic criticism is valid, a feasible transition scheme can be implemented.