Working people to death to ship any one feature or product is a poor strategy, as it reduces the capacity to ship the next feature or product (burn out, build-up of bad rush practices). It’s far more important to have a system for shipping that improves over the long term than one that heroically manages one monster push.
"Biting my nails? I don't bite my nails.
*bite* Why do you ask?"
Like any bad habit, bad processes built around a culture of urgencies and emergencies can be hard to notice and even harder to root out. Best not to get into those habits in the first place.