PDT 2/2 : Why has tipping increased?

[hanster]

Inflation? Move to other countries where tipping is not part of the culture? /end troll

I believe a part is due to the increase of people's spending power and the constant preaching of tipping more than the norm if you're a true gent. I have no idea why that is but more often than I can count I have heard/read that being a rule: "don't be stingy with tip because it gives the girl the wrong impression etc etc".

FWIW I always tip twice the tax dollar amount in restaurants, and in California that'd be ~16%