Being undereducated (especially compared to you wonderful bunch), with a dislike of Geography despite a love of history, this conversation bemuses me.
The ideas are big. I would relate it to counties, Devon and Cornwall, both have scones- jam or cream first can often be used to define where they belong. For me, I am Welsh, my parents, grandparents, great grandparents etc were all welsh- if I was told that this land was now Engish I would object with every fibre of my being.
There is a reason that many Ukrainian towns and cities under Russian control have seemingly lost many of the residents who lived there 20 years ago while many more Russian speakers have recently moved in.