Re: Sorry NuTrek fans...
The 'How it should have ended' stuff is hit-and-miss for me. What they show is that, almost without exception, summer films don't have much in the way of narrative sense if you take the time to nitpick the details.
Some say that he haunts the halls of the Top Gear production office and that, if you listen closely, you can hear his wails around Gambon.
All we know is that he's not The Stig, he's The Stig's drowned predecessor.