Even if that is true—which I doubt[*]—it is completely irrelevant to the question of ethnostate. The question of ethnostate is if the country has practices and policies to control the demographics that favors the dominating ethnic group. A country could be very friendly to minorities but still control the demographics in favor of the dominant ethnicity. The immigration policy of Israel, the carving out of the West Bank, the policy of settlements in the West Bank, all work together in demonstrating that Israel does indeed have practices and policies to control the demographics to favor the dominant ethnic group.
Just a case in point, if we look at historic ethno-states, Apartheid South Africa had dozens of languages. But they still had a policy of carving out bantustans and deporting people into those bantustans, with the hope that the demographics in the remaining South Africa would favor the dominant racial group. Apartheid South Africa was an ethno-state.
That said, Israel obviously is not the most friendly to any minority in the wider region. Israel is currently engaging in an ongoing genocide against a particular minority, they are illegally occupying their territories, and—as the ICJ has just ruled—they are engaging in apartheid against this minority. When all this is evident, how can you say they are “friendly” towards that minority?
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*: There are millions of metrics to measure this, and you could surely point to the few which conveniently “proofs” your point. You’re not even doing that, so I highly doubt.