Fayyad's resignation is a crisis for Abu Mazen - but does he recognize it?

There's an interesting analysis in the 'Palestinian' Maan daily explaining why the resignation of Salam Fayyad is a crisis for 'moderate' 'Palestinian' President Mahmoud Abbas Abu Mazen .This is from the first link.

But Fayyad’s loss has severe consequences outside the internal Fatah
struggle. First, it will remove the minimal but sole aspect of non-Fatah
checks and balances on the