Realistically, Russia will probably eye Latvia and Estonia, because in the Kremlin thesaurus "Large Russian minority" is a synonym for "Casus Belli". Furthermore, we might expect Russia to want to reclaim some sort of overlordship of Slavic Europe
That is already reason enough to resist Putin's Russia. Adding to the list with fictitious scaremongering ambitions reminiscent of cold war anti soviet rhetoric does not make the argument stronger. Rather the opposite.