Collectives and companies can keep the same culture and habits even if all people who worked there left. Because people come and leave not in the one go - they

Collectives and companies can keep the same culture and habits even if all people who worked there left. Because people come and leave not in the one go - they do it gradually, so every new employee is "indoctrinated" into the company culture, then indoctrinating new people themselves, even if their mentors left.