There is so little information about the Infinite Polygon Engine that my comment above is now the #1 Google search result for "Infinite Polygon Engine" (with quotes), even above that Eurogamer article. Without quotes, my comment is only #2. :)
Compare these claims to the game as reviewed when it finally shipped some 2 years later. It probably did do some reasonably clever and even innovative things but it never really lived up to the hype.
He's a smart guy but his real genius appears to be drumming up breathless and relatively unskeptical media coverage, something else he probably learned from Peter Molyneux who also made a career out of some genuinely innovative games that nonetheless rarely quite lived up to the extravagant claims made about them years before they shipped.
There is so little information about the Infinite Polygon Engine that my comment above is now the #1 Google search result for "Infinite Polygon Engine" (with quotes), even above that Eurogamer article. Without quotes, my comment is only #2. :)