cultural values and those are often not compatible
Those always change with time. And as the world grows smaller, will those not change faster.
Wort( remembering the thread is about people of colour, not specifically people from, say, Japan or Tahiti.
and has never had visa free travel with Poland AFAICT
We did until 2020. All three places however are culturally different and of course there are Italians, Swedes, Selsh people (as there are Poles) of different skin colours.
Poland has little/no problem with non-white migrants who work and contribute to the economy
Can you not say that about any migrant or new Pole, regardless of your 'non-white' thing?