*likely* is not a good reason. You think it *might* change, others think it would not.     
We don’t delete objects based on assumptions, if the stocks of a business is crashing, we shall not delete the business from OSM because it might be out of business and closed.      
Since those features are not temporary and to stay (based on the statement of the Israeli government who administered the area) and also those features had been for almost a year on the ground.        
      
Any other reasons or arguments?      
     
And are you local? If not, did you contact the local communities first before the deletion?      
     
Regards.     