The early code was broken, that's where Turig "knew" how the machine worked (besides the fact of having one in posession).
They also told him how to build an electromechanichal device that could cycle settings.
But, giving them the credit for building the machine that decoded enigma messages in "no time". Is like giving a marble miner the credit for Michelangelo's "David".
he is right, the polish guys broke enigma