Its clear in his statements. he thinks the Israelis are the White south africans, and the Palestinians are the Black south africans. He can't shake that moral relativity from his observations. Subsequently, just as he would not have been willing to accuse the black south africans of crimes, he is not willing to hold Hamas accountable for launching a war against Israel, or shielding itself with innocent palestinians.
Pakistan: Suicide bomber attacks tribal police, killing 4 (Reuters)
from the article: U.S. to Israel: Probe alleged Gaza war crimes to advance peace