...give notice and quit. No company would do this if they weren't completely toxic.
Crazy hours are not something driven solely by management.
There are points in time at which this isn't viable.
Those bordering on, or prone to, burnout, may have a lesser degree of capability to act on this.
Internalising the costs to firms (and their investors and creditors) fostering burnout-inducing conditions may be a more effective mechanism. Destroying 2, or 5, or 10 years of peak-career productivity should carry costs.