Earlier quoted context omitted.
First of all, no job should be considered dirty. Second, if you go to places like Netherlands, Norway and Japan you'll see that it's not about money. Higher education prepares workers to do more complex, more efficient and more productive jobs. Also, the society is more conscious about not having someone to do stupid things for them like collecting their trays after they eat at the McDonadls, this is YOUR responsibil…
They meant in the industrial relations sense of being "dirty" Jobs which traditionally came with a premium - sewer workers dustmen steel workers both because its unplesant work and there s also a risk premium. Its why a pit deputy (coal miner) in the UK can charge £2k for a single weekend shift.
http://www.theguardian.com/environment/2015/dec/18/kellingle...