Putting aside the Halachik questions, the fact is that the Three Oaths have been satisfied.
Emigration to Eretz Yisroel was never like a “wall.” It was slow. This was the first Oath. The second Oath has been satisfied because, ironically, Israel was created by a vote of the United Nations, showing the consent of the nations. Finally, as far as the third Oath is concerned, the Holocaust was certainly a case of the ultimate oppression.