The service workers move somewhere else where they can afford to live. The ones that remain can demand a higher price for their work
Having high rent reduces your personal “runway”. This makes bootstrapped startups hard and it makes like as a lower-income worker very risky/stressful
Or are people like fast food workers being paid minimum wage and commuting 2 hours?
The market you believe in doesn't exist in a vacuum. The world is far more complex than that.