Customers, on average, do not like it. And of the ones who do, a portion of them like it because they can deny people the tip. So they like tipping essentially

Customers, on average, do not like it. And of the ones who do, a portion of them like it because they can deny people the tip. So they like tipping essentially because they don't. Anyone telling you that customers "enjoy the agency" is selling you a line of bullshit. Servers will sell you that. Restaurateurs will sell you that. Customers will not.