I may have misunderstood the question. Restaurants who have adopted no tipping add the 20% charge in one way or another. Either the food costs more or there’s a service fee.

I would like the charge to stay the same but the waiter still gets a living wage but it’s absurd to believe that will happen and may be unrealistic to expect that it should. I don’t know what profit margin any given restaurant has but none will give up 20% of profits and a lot may not be able to remain open if they have to. In any scenario the business would have to change beyond recognition. The ones who choose to adapt may just fire the waiters and have you order through a machine and then you don’t have to tip but that business model already exists in most fast food chains.

No, but we shouldn’t expect to pay less if they stop receiving tips and the employer pays them instead. I think a lot of people make this assumption. In reality it’ll be more like you don’t have to tip but your meal is 20% more expensive.