If violence wasn't your last resort, you failed to resort to enough of it.

Maxim 20: If you’re not willing to shell your own position, you’re not willing to win. -The Seventy Maxims of Maximally Effective Mercenaries

Some survived due to advancements in engineering. Personally I'd take a vaccine over living in an iron lung. http://www.theatlantic.com/national/archive/2012/01/what-america-looked-like-polio-children-paralyzed-in-iron-lungs/251098/

Where's your sense of adventure? It died under mysterious circumstances. My sense of self-preservation found the body, but assures me it has an airtight alibi. -Captain Tagon & Captain Andreyasn

If violence wasn't your last resort, you failed to resort to enough of it.

Only cheaters prosper.

When the messenger arrives and says 'Don't shoot the messenger,' it's a good idea to be prepared to shoot the messenger, just in case.