Primatologist Robert D. Martin, provost of Chicago’s Field Museum, says it is impossible that a human weighing only 64 pounds with a brain 23.2 cubic inches could make the sophisticated tools found with the so-called Hobbits.

Martin’s research group has said the Hobbit must have had a genetic condition, which prevented its brain from growing to the normal size.

Contrary to Martin’s conclusion, Florida State University paleoanthropologist Dean Falk contends the skull found on an Indonesian island in 2004 must be a previously unknown species.

The Flores skull is highly convoluted, Falk said, reflecting the imprint of a fully expanded, fully functioning brain.

A team led by archaeologist Michael J. Morwood of Australia’s University of New England, who found the primitive remains in a limestone cave, described them as dwarf human ancestors that overlapped with modern humans and survived after Neanderthals perished about 30,000 years ago.

At this point the whole thing sounds like a bunch of "smart guy" guess work.