I will say that I consider the Australians a little like a cadburys cream egg, hard on the outside and soft in the inside, just my observation.
I don't mind that analogy... :) It's better than being thick all the way through...
A business that fails is down to a ineffectual Board,Owner,Manager who lacked experience and knowledge.
And sometimes it's down to external forces... or corruption, greed, selfishness and mistrust...
A President is voted by the people for a period of four years.
And what a good idea it would be if vows had to be renewed every four years?
I don't quite see the relevance to your post and this thread about Australians assimilate in Europe.
It's to verify that it has been done. It's not an unachievable feat. I mean being away from pierogi and ice capped winters *is* a possibility for most humans... (It's called getting over it.)
And btw, Poles aren't that tough. They're stubborn and frank, but they sometimes struggle to deal with the simplest of challenges... and cultural steadfastness is their biggest problem in this respect...