Coverups, boycotts of investigations, and banning books are always signs of guilt. These things make Israel look guilty even to people who have no idea whether Israel is guilty of the offenses under quesion. It is appropriate for Israel to look guilty since Israel is guilty. It is just a surprise that Israels doesn't seem to understand this.
U.S. warns governments, bankers Iran sanctions still in place (Reuters)
from the article: Cabinet likely to discuss probing Goldstone Gaza Report findings