Yes, because as we all know, service staff have enormous power and dictate restaurant policy. This is why they're so highly paid and aren't abused at all by customers, for example. /s
If I work for a company that I've seen screw over our customers on a daily basis, and enough customers refuse to pay my company, then I don't have a leg to stand on when I don't get my full salary all of a sudden.
This is true whether I'm a developer, a ski instructor or a waiter.
People like to act as if wait staff are completely innocent, but when I was younger I had a policy that if a female waitress started touching me close to the closing out of the deal she got no tip.
> Yes, because as we all know, service staff have enormous power and dictate restaurant policy.
No, as we all know the service staff has no power over the restaurant policy.
They are, however, the communication agent between customer and restaurant, so they should be informing the customer about these surprise charges up front. If they don't, they are indeed complicit.