We are human, therefore business contracts are subordinate to the touchy feely stuff. Contracts are made solely as a last resort for when trust and communication fail, as they sometimes do.
The idea of business as a machine with deterministic rules is not universal.
So since incorporating in 1851, let's say they put out 60,000 issues. 1 issue would represent about 0.002% of their output. How do you get to over 5% wrong?
Then again, there is a trope going back to Knuth - "Premature optimization is the root of all evil" - which is an argument that it is not clickbait, but merely applying a pattern in discussions about computer programming.
He is not saying immigrants are like children, he means that as the population ages and is not replenished by children, there will be nobody left to work unless the country accepts immigrants.
Two pitches played together is a dyad, three together is a triad. There may be words for four or more pitches together but I just call them chords. The term interval only makes sense to describe distance between two elements, whether pitches or two marks on a ruler.
The books are meant to make you question your own assumptions of what is good or right. I think what many people like about Banks is that he did not write simple morality plays. Iain Banks also wrote mainstream novels so you could say that he wasn't coming from the normal genre writer's perspective.