That's so idealistic. We should know by now the reality of power and what kind of people end up in power. Anyone who could climb all the way to the top would kill the volunteer without a second thought, and then go smile on TV.

You're confusing lazy cynicism with realism. Patrick Bateman is a fictional character. The vast, vast majority of people, including even most soldiers, and definitely pretty much all businesspeople, no matter how unscrupulous, do not have the capacity to violently murder a person they know and harbor no ill will towards with their own hands on short notice.