&gt; No, its proof that there is a distinct class of restaurants where tipping was never a convention<p>The existence of such a class of (low end) restaurants without tipping proves that it is possible to get rid of tipping altogether at low-end restaurants. Which is exactly what I said.<p>&gt;  it doesn&#x27;t say anything about the ease or difficulty of getting rid of it where it has been a convention.<p>This is besides the point. I didn&#x27;t say anything about the ease or difficulty of getting rid of tipping.