Why does that matter? She already got the info she needed from him. I'm not gonna complain when some racist gets dealt a 'Leopards ate my face' moment. Even better, having Gyrich's nasty mind in her head excuses why she acted out of character and executed Trask.
Nah, he seemed genuinely remorseful. Plus, it was Sinister who caught him and probably infected him with the sentinel tech without his knowledge.