I'm thinking of the games industry: https://theconversation.com/the-video-game-industry-is-boomi...
You have people who care about their colleagues, care about the product, want to work, often crunch voluntarily, the company makes a profit, and they still get laid off. That is .. well, it's sustainable in that you can always find more fresh grads willing to work in games, at the expense of leaving a trail of burned out and disgruntled former employees behind you, but it's also driving unionization.