I like customer service. I don't like fake huge smiles, fake peppy tones, fake expressions of care by strangers. I just want the waiter to show up promptly and not fuck up my order. I do NOT want to be asked "and HOW are YOU today!!" as though I'm watching the Micky Mouse club.
Agreed, it should be upto the customer to initate conversation like "How are you today?"
No I do not want to be greeted as I enter your shop.
Exactly. More than a simple, friendly "Can I help you?" or "Do you need any help?" really isn't required.