The overwhelming military superiority of Israel in the area will not be seen by many as a good kind of stability. Israel is currently stealing syrian land and water. Syria, understandably, want it back. And they'll never get that with the current 'stability' so it is in their best interests to destablise the situation. If Clinton wants 'stability' she should be ordering Israel to hand the Golan Heights back. Israel has no right to be there.
from the article: Clinton: Syria's provocations may plunge Middle East into war