People
The evil that is in the world almost always comes of ignorance, and good intentions may do as much harm as malevolence if they lack understanding.
— Albert Camus ‧ The Plague

Behind the line May contain spoilers.
Our reading
An editorial interpretation.
The claim is that most harm comes from not knowing better rather than from cruelty. Even kind intentions can do as much damage as bad ones when there's no understanding behind them. It's a warning that sincerity alone isn't enough to act well.
Context reviewed