[AStonesThrow]

Not anymore.

Now there is pre-tipping, tipping for no discernible service, fake tip jars in places that aren't licensed for it, etc.

More people are becoming aware that, in the US anyway, the wage is reduced commensurate with expected tips, and so customers are more or less obligated to supplement wages, and avoid offending servers, unless we don't want to be served at all.