The original Zionist theorists, such as Theodore Herzl and Vladimir Jabotinsky, explicitly called Zionism a colonial project while referring to Palestinians as "natives" and themselves as "colonists".
The current nativist narrative is nothing but ad hoc justifications.
Zionism as an ideology was born among Ashkenazi Jews who for thousands of years had been living in Europe. Europe was the only home they'd ever known, and the Ashkenazis had developed distinct cultural and linguistic features.