I'll do the maths for the UK since I have numbers. 50 cents is about 0.70 GBP UK minimum wage is 7.83 GBP per hour pre-tax. So one nappy at that rate is 5.5

I'll do the maths for the UK since I have numbers. 50 cents is about 0.70 GBP UK minimum wage is 7.83 GBP per hour pre-tax. So one nappy at that rate is 5.5 minutes of work. That's considerably longer than the time it takes to remove and clean.