what matters is that It does in general employ kids in Its factories around the world, Poland should not support such company as a matter of principle
Let me just play devil's advocate for a moment.
Are they doing anything illegal in those countries?
If not, then it's moot
If it's illegal in those countries then they shouldn't do it and should be made stand trail in those countries.
I don't wear Nike for a simple reason.
They make clothes for chavs/knackers/dresiarzy
Here's something for you to have a read/listen to:
Do boycotts work?.......................the answer is, not really.
freakonomics.com/podcast/do-boycotts-work-a-new-freakonomics-radio-podcast/