In my books, I never portray violence as a reasonable solution to a problem. If the lead characters in the story are driven to it, it’s at the extreme end of their experience.

Koontz is distinguishing between depicting violence and endorsing it. The statement frames violence in his fiction as morally and narratively consequential—something that should arise only when characters have been pushed to their limits, not as an easy or gratifying fix. Implicitly, he argues for a kind of ethical realism in suspense storytelling: extreme circumstances may force extreme acts, but those acts are not presented as “reasonable” or exemplary. The quote also gestures toward authorial responsibility, suggesting that even in genres where danger and conflict are central, a writer can shape readers’ moral expectations by treating violence as a last resort rather than a default tool of heroism.