The common thread between the two is calling consumerism an "experience." This isn't a theme park. The server, retail worker, or whomever is not an actor in a costume there for the amusement of the customer. They work for their employer, carrying duties that allow that employer's business to profit, and therefor, should be paid by the employer.

And yes, this is a distictly American issue, and needs to be abolished. In the US, I worked as a bartender for $2.65 an hour in 2005. Basically, my employer payed me nothing, since that was just covering taxes, and each customer that ordered a drink from me was my main source of income. It irks me to my core when people wave this off as some normalized "part of the experience" and not a problem of greed that requires correction.