Law /
Poland's citizenship by descent question. Polish great-great grandfather arrived in the USA as a kid. [76]
More the feeling that they are not Polish
Some of the people that this is about have a single ancestor that left what had been and later became Polish territory 120 years ago; Most of their roots are from elsewhere. They already have citizenship of a country to which they feel a greater affinity, and in many cases can't even find Europe on a map, let alone Poland.
Since 1908 (a date mentioned by a poster), Poland has had three of its own constitutions, each one legally superseding the last. There's a very good reason that the government here doesn't want or need several million people from various countries round the world who don't consider themselves Poles and don't speak the language to obtain second passports in this way. It's difficult enough for actual Poles in Kazakhstan etc, whose family members were transported there against their will within living memory, or Poles in nearby countries that actually speak Polish and live within driving distance to obtain citizenship; never mind some guy from Mexico, Nigeria, Pennsylvania, Peru or wherever who's 1/16th Polish and just wants an EU passport.
There are all sorts of bizarre legal cases that reach the courts; none succeed. Should there be by accident a positive ruling in any of these 'Sovereign Citizen/Freeman on the Land' type endeavours based on defunct laws from a state that no longer exists, you can rest assured that the government would simply enact binding legislation to clear up any loophole. However there is no loophole to clear up.
weird ideas of retroactive legislation from a country that no longer exists...
In many ways it's the equivalent of those bizarre people in some countries who try to refuse speeding tickets on the grounds that they haven't consented to be governed and try to impose a million dollar fine on the judge as they're led to the cells.