‘Twas the Poles, I believe, who provided Turing with the first set of hints on the operation of the Nazi enigma machine.
For that alone they should be protected.
The Poles were the first to capture an enigma machine, and it was smuggled to Britain. It was obvious how it worked, it was just that it had so many possible permutations, changed daily, that it was nearly impossible to crack before Turing came along and automated the process.