Simply because it is UN based... or rather will be a UN boased inquiry like Gioldstone which will overlook and turn a blind eye to everything except what ISrael has done. I would refews it too. Dont be surprised if Israelis stand up and say "No i diont want to go to the gas chambers for you"
Iran deal opposition grows among U.S. Republicans, Reuters poll shows (Reuters)
from the article: IDF: Five Gaza flotilla activists linked to Hamas, Al-Qaida