He does not say this. He says he wants the end of the two-state solution; that is, he wants the entire area to be one state (in which people coexist peacefully).
> he claims the Jews will have zero rights
No he doesn't. He says they will have no national right; that is, they will not have the right to claim the land as the exclusive home of the Jewish Nation. They will still have civil rights as normal citizens like everyone else. In fact, let me paste the full quote, since you left off the clarifying explanation that immediately follows it:
> I am completely and categorically against binationalism because it assumes that there are two nations with equal moral claims to the land and therefore, we have to accommodate both national rights. I am completely opposed to that, but it would take me too long to explain why, so I will stick to the model I support, which is a secular, democratic state: one person, one vote — regardless of ethnicity, religion, nationality, gender, and so on and so forth … Full equality under the law with the inclusion of the refugees — this must be based on the right of return for Palestinian refugees. In other words, a secular, democratic state that accommodates our inalienable rights as Palestinians with the acquired rights of Israeli Jews as settlers.