I get why someone wouldn't like it. But it's not a battle you can fight at that scale. The wait staff get paid $2.13 an hour. They feel the pain, not the business or the American fetish meisters.
You're right and it would need collective action to rectify, and even then you'd encounter some not insignificant amount of those in the service industry who'd loathe a fair minimum wage in lieu of relying on tips as they'd see it as crippling their income.
How it should be and how it is are immensely detached, I think we can all agree on.