A rescue would have brought sharper attention to a dirty and huge black op right before a presidential election.
The USA was attacked by planes turned into missiles. Bengazi was all about transferring THOUSANDS of MANPADS missiles into the hands of crazies very closely alllied with those who attacked the USA.
If it came to light it would be literally THE BIGGEST SCANDAL IN US HISTORY.
VJ and GayMuzzie wanted all those people to quitely die that night.