"How exaggerated is this?"
Put it this way, it's on davidIcke.net
David Icke used to be a professional soccer player. He then became a TV presenter before going mad, stating on TV that he was "The Son of God" and a load of balls about tidal waves and earthquakes that were going to destroy Britain and, if I remember correctly, some other carp about flying saucers.
More here http://en.wikipedia.org/wiki/David_Icke
Take the article with an extra large pinch of salt.
don't tell jb6 that! next you'll be saying the European Union isn't explicity referenced in Revelations!
OK, reptillian humanoids. That sums it up. Thanks :-)