[racional]

No need to keep to the Roman convention of renaming Israel to Palestine.

It's the historically accepted term for the region. The Zionists themselves used it in their literature. Quibbles about it are disingenuous and absolutely irrelevant to the current situation on the ground.

Anti-Zionism means exactly that, against the right for Jews for self determination in their native land.

No, it means being against an ideology which fundamentally rejects the right of self-determination to the non-Jewish population living on their land.

Israel as an ethnostate is vague

It's now written into the Basic Laws of Israel, thanks to 2018 Nation-State bill.

If you define "Palestinian native land" as ...

We all know what it what is meant by "Palestine" and "Palestinians". And even Jabotinsky recognized the Palestinians as indigenous.