Earlier quoted context omitted.
Just don’t tip, problem solved. (Obviously you have to tip in restaurants to not be a monster, but everywhere else just don’t do it. And if you want to not tip waiters… the world needs monsters sometimes.)
Only a matter of time before people think you're a monster for not tipping 20% on your iPhone too.
Tipping is only considered socially obligatory for waitresses and this hasn't changed.