Other forms of pressure can be applied to prod Israel to move seriously towards peace. If the UN bid fails and it will since the US vowed t veto it, then Abbas should dissolve the PA and create a government in exile. Let Israel deal with the 2 million Palestinians under its occupation, that is its responsibility responsibility under international law.
First refugees travelling on Hungarian bus arrive at Austrian border (Reuters)
from the article: Thousands of Palestinians greet Abbas upon his return to Ramallah