Yeah that's cool and all but it isn't about instincts vs. rational thought. It is about Hakuryuu making a self-satisfying decision. He didn't act on his gut feeling of it being the right thing to do, but rather on what he wanted to do at that moment for himself. The intent itself precedes the instinct.
And again, I am not saying executing Madaura was the wrong decision. However, it's like having a soldier who fights only to satisfy his bloodlust vs. another one who genuinely fights to protect something.
I would take an unsure fool to a confident fool any day of the week. The latter is more dangerous whereas the former is willing to learn from his shortcomings.Now, I'm not saying Hakuryuu would be anything close to admirable, wise, or even intelligent, but at least he's got a goal.