In the "Silver Sword", the 2013 revised New World translation, appendix B1, page 1767,it now states that Satan was hurled to the earth by Jesus 'about 1914'. So it certainly could be that a change is slowly taking place?
We'll have to wait and see! The answer is right around the corner, in the last of the last days, wrapped up in the overlapping generations. So don't give up!