Wrong.
He indeed spoke at a former conference, as did PA negotiator Hiba Husseini, professor of Political Science Mohammed S. Dajani Daoudi at Al-Quds University in Jerusalem, and Bashar Masri, probably the richest businessman in the Palestinian Authority.
But Hawking has done his big Christian mitzva by stating he will not lower himself to speak at the President’s Conference.
Thee only problem for Israel that could arise from his boycott is that the international “pro-Arab” movement might begin to realize that it is being exploited and manipulated by the Palestinian Authority to do everything it can to undermine Israel while the PA can sit back and laugh at the antics.