It's all supply and demand. Dirty and dangerous work attracts fewer workers. High-utility work is worth more to the employer so there will be more job offers.

It's all supply and demand. Dirty and dangerous work attracts fewer workers. High-utility work is worth more to the employer so there will be more job offers. When you see dirty, dangerous, high-utility work that pays poorly, it's because there's a ton of people who are willing to do it.