piracy will kill 360 sales of gta iv?

[WiiStation360]

smiles123 said:
I know 6 people who already have gta iv on pirated copy for 360. could this damage total sales of the game on 360 or not. what do you think

 How many of the 6 have cancelled their pre-orders?  I bet none of them did.

I do not see this having an impact on sales.