It's more about people with "everybody steals so I should steal too" also known as "tylko frajer by nie ukradł" -- "only a loser wouldn't steal that" -- mentali

It's more about people with "everybody steals so I should steal too" also known as "tylko frajer by nie ukradł" -- "only a loser wouldn't steal that" -- mentality. And while its somehow "cultural" it's more about people hanging together having similar moral views.