> for jobs where the service makes a significant difference, a service charge or tips seems reasonable. I'm skeptical of even that. There are lots of jobs with

> for jobs where the service makes a significant difference, a service charge or tips seems reasonable. I'm skeptical of even that. There are lots of jobs with a large range of quality in industries with no tipping, and the market ends up working fine as a way for the best to rise to the top. You wouldn't tip your lawyer or a freelance developer. Why are some industries different?