I would replace "Poland" with "the Baltic States", because in their case he could also argue that the Russian minority there is "oppressed", same as in Ukraine'

I would replace "Poland" with "the Baltic States", because in their case he could also argue that the Russian minority there is "oppressed", same as in Ukraine's case, whereas Poland doesn't have a significant Russian minority. But the main issue with this is that all of these are NATO members, while Ukraine isn't...