the “Three Oaths” are not Halachically binding; to treat them as binding would be nullify a מצווה דאורייתא.
It is incumbent upon Jews in every generation as a positive commandment from the Torah to attempt to repossess the Land of Israel in it’s entirety and to displace all the inhabitants of the land.
The Ramban holds that this מצוה is fully applicable even when we are still in גלות and it applies for eternity לדורי דורות as long as there are Yidden on this Earth.