That would be a textbook ad hominem argument.
Godel was a brilliant mathematician. His views on Islam are as relevant to his mathematic proof that I referred to as Max Planck’s religion are to Quantum Theory.
If you have disproved either, please post.
It shows that brilliance in one field is insanity in another, all in one person. Unlike Einstein he believed in a personal deity, just because. It shows that a perfectly logical and consistent person is capable of superstitious beliefs divorced of all reason.