They only explicitly mention Christian Zionism, it looks like it's a response to Christian Zionists meddling in particular

The document, signed collectively by the Patriarchs and Heads of the Churches in Jerusalem, directly challenges efforts by pro-Israel evangelical networks to insert themselves into ecclesiastical affairs in the region—efforts which have grown increasingly visible and politically influential over the past decade.

Which I consider weak IMO, they should condemn all Zionism explicitly. But perhaps they're worried Israel will shut them down if they do. Which if so, I can't respect acting out of fear instead of standing up for their neighbors humanity