That's literally not the definition.
https://wagetheftisacrime.com/
Don't dilute the definition of the crime with nonsense.
Boss asks everyone to come in unpaid for a mandatory meeting? That's wage theft.
They lock you in the store when you're off the clock to "clean up the store"? That's wage theft.
Stolen tips, no overtime pay for overtime work, altering timecard punches? All wage theft.
Making too much profit and not passing it to employees may be highly unethical, but it's not legally wage theft.