Dictionary.com says:

>a country populated by, or dominated by the interests of, a single racial or ethnic group:

Yeah, that sounds like Israel to me. Does that not sound like Israel to you?

This sounds like most states in Eurasia and North Africa to me.

I believe you are free to criticize and even boycott those states over their ethnonationalism.

Boycotting israel over their continued occupation and genocide is illegal in most US states now.