Like the epicarp of some fruits, there are people that appear soft on the outside but are actually tough on the inside.
Having a gentle if not harmless appearance has its advantages.
No need to argue on that premise; you can base it on personal experience or observation.
In a roomful of people where only two seats are available, would you sit next to a person who’s kind of suspicious rather than one who looks pleasant and innocent?
Sonnet's Haven 