Earlier quoted context omitted.
If the company's existence depends on the unfair exploitation of its staff, its foreclosure is inevitable and justified, and that is simply the price everyone involved must pay to maintain equilibrium.
The workers aren't drones, they have the agency to choose another job. If a company is underpaying workers relative to the rest of the market, they'll struggle to hire and retain employees without the interference of a union.
There was a big case with Apple and other Silicon Valley corporations were found to have colluded to not hire employees working for any of the other companies.