Yes, some of the 15 quotes do illustrate the simple point of Zionism= homeland in Israel as you have assertedL However, most of these indicate it is more than Zionism= homeland in Israel alone.
One said they were not Zionist until Oct 7th, associating Zionism with the Gaza war, war crimes and all, as necessary for a safe Jewish homeland.
One said “Not anymore” as in they were Zionist until the Gaza war, implying that the manner in which Israel has fought the war (war crimes) is inextricably linked in their mind to being Zionist.
Two of the 15 quotes that stated they were Zionists said they also believed in the right of the Palestinians to a state of Palestine, that they were pro-peace & pro diplomatic solution so the war in Gaza is not just and, for them, contrary to being a Zionist. One stated this by referring to J street.
Several quotes were on the theme of how the definition of Zionism isn’t what they grew up with/has changed/is no longer useful.
In addition, a full 14% of Jewish respondents stated they were not Zionists, with 8% unsure if they were or not.