Meanings of own uselessness in English

Her own uselessness in the encounter drove Ina to murmur, 'And I am hardly a bodyguard.'

What am I supposed to think while playing a game that is painfully aware of its own uselessness?

Half of her agony lay in its own uselessness; grief led people to do things they understood were hopelessly stupid.

Embarrassed by their own uselessness, yet unable to take leave, they lingered and discussed the mystery of this sudden, acute alarm.

There came to the man who watched an irritating sense of his own uselessness: the work was going forward with great, swinging, rhythmic effectiveness.

Not pain, not bodily disfigurement,-thoughhe recoiled, as every sane being must, from these,-notdeath itself, tried his spirit so bitterly as his own uselessness.

"I merely pondered on mine own uselessness," he answered.