Shows what you know
Rather a lot, if you'd paid attention to the clause after the comma.
Not buying it
It's not for sale to you, and yes, cousin marriage is decreasing steadily.
some weirdo progressive idea
The NHS being for all, without conditions and free to use? If that's 'weirdo progressive', I'm happy with that.
Remember this thread is about Polish Roma. If you want to rant about your views on people of other cultures, there's doubtless oyrhe threads for that.
Personally, I'll be happy if Cindylou89 finds her roots. Roma, Sinti and Kal people in Poland and around have a rich and often tragic history. She doesn't say what country she's in, however people from those countries have emigrated around the world.