As I understand citizenship generally, it should be allowed to people who reside within a nation for a set number of years and have filled out the right information to the government, in some nations there additional requirements like good health or possible benefits to the country. If you are born in a nation to a citizen of that nation then you should be entitled to citizenship. In Armenia's particular case it could afford to be lenient on Genocide survivors and their immediate families, but distant relatives could be dividing line I think. As for Dual citizenship or citizenship in multiple nations, it shouldn't be any of the governments business unless someone holds citizenship in Azerbaijan or one of Armenia's enemies/hostile neighbors. My mother once held Saudi citizenship, later acquiring US citizenship, technically I could be a citizen of three nations if she reinstated her citizenship. It's not necessarily hard at all to be a citizen in one or more nations, also just because you are part of another nation doesn't mean you love/like one less. I love New Zealand and the United States, and I don't consider myself any less patriotic by being part of another nation, I doubt Armenians are any less patriotic if they have citizenship in Iran for example.