I've noticed is a big difference between the work ethic among Poles in Poland and those who've travelled
Nothing unusual about that.
You move to a country where Englishmen are living in homes they own, a country where they were educated, where they met their significant others, and so on. Meanwhile, you are a Pole with a naked ass. No home, no English education, and no girl will talk to you.
Work like a slave on a galley.
In Poland, where you have parent's apartment, are considered quite well educated, and can actually manage a conversation with a girl - why would you work so hard you nearly kill yourself in the process?