On the other hand, the IWF removed even the Wikipedia version of the file from the blacklist... So most likely they won't do anything about Google.
Don't forget that was after jimbo said he was considering sueing because even the IWF had it checked and it was only "possibly" illegal, they never got confirmation, it would the same in court say if someone was stopping people from entering a store and claiming their carrot cake had rat poison in it without checking.