My grandparents were among those people. They fled to Cologne area in Northrhine Westfalia. My grandma always had an old map of Pommerania on her kitchen wall where she would show me what route they took to get here. She would go on and on about how she misses her home. Grandpa had lost a leg in what everyone says was Stalingrad but he never ever talked about the war. I know my other grandma was heavily opposed against my parents marrying but I was told it was because my mom wasn't catholic. I do believe that at least mean grandma viewed them as strangers/outsiders or even foreigners. I don't know about the general population though. I'm talking about a very rural area where even people from the next village over where looked down upon until a generation ago. I'm sorry I don't have anything fruitful to share other than anecdotes. I wish I would have been older and asked more questions at the time. I was just a little girl and sometimes even annoyed by the repetitive nature of grandmas stories. Hope this gets many helpful comments or book recommendations. Damn I should really go visit Stettin.