Then why are you getting paid for it? Clearly someone cares about it, roughly in proportion to the amount you're getting paid.
Consider these three jobs: making nails for local carpenters, operating machinery in a nail factory, designing machinery for nail factories. Designing machinery for nail factories helps carpenters the most, but feels least helpful.
Surprise surprise, reading children's books is not a good way to estimate the value delivered by people working in various occupations.