Because anything with 4 wheels governed by FIA has not been properly sold to the our mostly unrefined market :roll:
Only the hard core

fans, get up in the early am on a sunday to watch F1 on Speed channel or kill their young for a trip to the USGP.
I hope some day we'll be able to get WRC in some shape or form but then with the liabilities presented by our lawsuit-happy society, who knows...