Yeah, no. Servers in restaurants want to think they are in some kind of special contractor role. Servers want to think that their service quality is on a sliding scale with tip amounts. 

But in reality, servers at restaurants get paid to do their job, which is to *serve* customers. If they are a shitty server with a shitty attitude towards people who don't tip they will be disciplined.

Restaurant owners care much more about things like Yelp reviews than the lamentations of their entitled servers. 

Also, what exactly do you think it is servers do that warrants such generous tips? Patrons don't need their drinks checked every thirty seconds. Nor do they need idle chit chat or super duper special wine recommendations. All a server has to do is take orders, bring food, take away dishes, and answer patron's questions about the menu choices. That is the extent of the interactions between servers and patrons that need to happen.