Because it is mostly at a level of details that without specific understanding of the topic it is impossible to understand and boring. But, if we would work as

Because it is mostly at a level of details that without specific understanding of the topic it is impossible to understand and boring. But, if we would work as alpine guides, I would not be happy with my friends talking about climbing. The problem is basically: it's what we do all day + it excludes people outside of our circle.