This is simply a red herring.  In reality, while these homes are now "legal", any informed person knows and understand that the Israeli government would abandon these settlements and settlers and evacuate them if there was a legitimate offer of peace from the Palestinian leadership.  But that's not forthcoming and plays right into the Israeli right's hands.  The real impediment to peace is the lack of a willingness to make peace on reasonable terms by the Palestinian Authority.  Same as it was in 1947 and on.  It is really unfortunate.