Top colleges, military training, and most early stage start-up environments all have either explicit or implicit cultures where part of the values indoctrination is to "achieve under fatigue".
It isn't about what's optimal for long-term productivity or health. It's about gauging mental toughness and weeding out those individuals without an adequate level of committment to that particular community's values.
If the individual can perform adequately under an extreme depravity of conditions, then they can be expected to excel, or at the very least, fall back to an acceptable baseline of trained performance when provided the surfeit of resources available under day-to-day tasking.
Top colleges, military training, and most early stage start-up environments all have either explicit or implicit cultures where part of the values indoctrination is to "achieve under fatigue".
It isn't about what's optimal for long-term productivity or health. It's about gauging mental toughness and weeding out those individuals without an adequate level of committment to that particular community's values.
If the individual can perform adequately under an extreme depravity of conditions, then they can be expected to excel, or at the very least, fall back to an acceptable baseline of trained performance when provided the surfeit of resources available under day-to-day tasking.