Sentence:  ...when we recall that the world of young men about to die, and older humans, about to grieve, allowed such crotty creatures to decide for us, to appease for us and themselves, to mismanage, to misread, misprophesy, mistake and <WSD>misbeget</WSD> the future as they did, I can only suppose we should decide to accept the worst in life, rather than the best as normal. 
Meaning of the word marked with <WSD> tags:  To create or produce something badly.