Over 90 percent of the human brain currently serves no purpose, as is evident from the fact that many people with significant brain damage show no discernible adverse effects. So once humans begin to tap into this tremendous source of creativity and innovation, many problems that today seem insurmountable will be within our ability to solve.
The argument presumes, without providing justification, that the only reason that any problem remains unsolved is a lack of creativity and innovation most accurately describes a flaw in the argument.