Looks like it was more complicated than that: https://zywiec.naszemiasto.pl/gwalt-w-pietrzykowicach-protest-przed-sadem-ws-zbyt/ar/c1-3717644

So I knew they sentences they got were crazy low and that one of the guys was a son of a politician but looks like the justification from the judge I heard was just something made up. The appeals court rejected the sentencing but I don’t know what the final outcome was.