Actually, several members of Congress, with more experience dealing with the Mid-East than Petreaus, have effectively disputed Petreaus' conclusions. Of course the Arab world expresses support for the Palestinians, but they do not mean it. Note the hundreds of millions of dollars in unpaid pledges. Note the oppression of so-called Palestinians in other Arab countries. Petreaus appears to believe anything he is told. He has a bit to learn.
ISIS kills 22 in Yemen's Sanaa, Aden; targets both gov't and Houthi rebels (Reuters)
from the article: ADL: Petraeus wrong to link anti-U.S. attitude to Mideast peace