With or without Man, life would still feature the grotesque and suffer from at least: the others' will to live, the elements, deficiencies and want.
Last summer I was walking through a local park quite contently when all of a sudden some tiny airbourne particle painfully blinded my left eye. There was no warning, overlooked sensible precaution, nobody to blame - not even myself.
As the Buddhists say: All existance is suffering.