In Germany you have quite high minimum wages. Unions and works committees are quite common. Labor protected laws are quite strict. Sure, not every job is fun, but living with low income is not as bad as in the US. So, are people better at their jobs? Nope. Do people work better just because you pay them better? Nope. Should people get paid better, especially those with shirty jobs? Yes - of course. But there’s no reason to believe this would improve quality of work.