I doubt you can trust Wikipedia on a contentious issue like this, but according to https://en.wikipedia.org/wiki/Bedoon_%28ethnicity%29 https://en.wikipedia.org

I doubt you can trust Wikipedia on a contentious issue like this, but according to https://en.wikipedia.org/wiki/Bedoon_%28ethnicity%29 https://en.wikipedia.org/wiki/Bedoon_%28ethnicity%29, Kuwait appears to treat them as illegal immigrants, and that they're hiding their true nationality.