[Xylakant]

Ask the union that negotiates the wages on behalf of polish cashier? It's not like the wages in Germany magically started rising or Lidl is well known for philanthropy in Germany. The unions went on strike for the wages and still do. It's money hard fought for.

In any case, I don't think this is something you can blame on "the EU", as many people do. Many many Poles do use the benefits of the EU (just as others do, and rightfully so), either by having infrastructure built (look at the whole transit road from Warsaw down to Bialystock, the A1, ... tons of EU funds went into that) or by using the EU rules to work abroad with little to no friction (just have a short peek at the number plates that travel along the A1 now for christmas, you'll see lots and lots from all EU countries). It's certainly not all good in the EU, but what the polish government currently does - blaming all problems on the evil EU while claiming all benefits for the great polish government - is certainly a recipe to alienate friends and supporters.

[bolololo1]

If you shut down whole industries so unemployment rate is 25% people are scared of organizing strikes.

Then suddenly foreign capital comes, re-opens shut down companies and magic happens - it wasn't worth to shut it down, Polish people can just work as hard as foreign, but they are just scared of striking.