You're ignoring that science improves and leads to further discovery.
It's perfectly fine if 0.00000001% of the population spends their lives on something that achieves nothing if a few of these lead to further developments.
0.00000001% of the global population is less than one person.
Which is kind of the issue, we need a significant fraction of the global workforce to solve climate change. Inefficiency is useless because we lack the economic capacity to solve climate change inefficiently.
Which is kind of the issue, we need a significant fraction of the global workforce to solve climate change. Inefficiency is useless because we lack the economic capacity to solve climate change inefficiently.