They are treated well, in fact the Irish media loves telling us how the poles are better looking, better educated, better workers, and oh so lovely and great.
Feeling a bit inadequate there?. ha ha ha
They also created the Celtic Tiger, apparently.
Correction, there was a phenomenon commonly referred to as the "second Celtic tiger".
The first Celtic tiger left 40,000 jobs each year, with no one to work in them.
Poland provided the work force.
With the huge amount of cheap immigrant workers, buying food, taking transport, renting apartments and houses, paying for services, there was a huge booste to the economy.