That's obviously not at all what was intended. Please don't project your biases onto others by suggesting dark, cynical interpretations which were obviously not

That's obviously not at all what was intended. Please don't project your biases onto others by suggesting dark, cynical interpretations which were obviously not what the author meant. There were obvious, short-term, localized negative effects. There were non-obvious, long-term, global effects. The author is making the reader aware that the latter surprisingly contributed to more total human suffering.