Are salaries for those who generally receive tips much lower in NY (and in the US generally for that matter) than in the UK?
My experience is of a decade ago now: I was a waitress in New York in 2000, at a restaurant on Broadway. My wages were $1.20 (then about 60p) per hour. It amounted to about $40 per week. But I made $100 per day in tips: as others have said, in the US the tips are your salary.
I've also worked as a waitress, bartender etc at a whole range of bars, restaurants and agencies across the UK when I was younger, never being paid less than £4.50 per hour at the very least (pre-minimum wage).
I think MayorQuimby put it very succinctly People who tip out of routine and insist all others should do the same. Smug, self-righteous people who show little generosity in other areas of life and actually harm workers rights by excusing business owners who decide to pay shit wages.
Many, many of the tips 'given' to me in the years never ended up in my pocket, because of managers creaming it off. Or, if I worked in a bar with a communist-style 'tips in one pot, divide equally at end of shift', it was infuriating that, as a young vivacious chatty and hardworking woman I earned the majority of the tips in a bar, while older cynical colleagues lazed around all night, doing the bare minimum, then taking a substantial share of the money I'd been given. (Another reason communism isn't always so popular, I guess).
I'm happy the UK is a much fairer society than the US, and as a result we don't need a tipping system. People who tip automatically here, one could argue, are subsconsciously trying to return to the old days where the poor and under-educated have to rely on charity and good-will, and some luck that they can work hard with a cheery smile on their face, to make up their incomes. We have the minimum wage. We have free healthcare. We have free education. Etc etc. Don't let automatic tipping (and at ridiculous percentages too) corrode a hard-won system that is more ethical and works better for the majority, than the US one.