Organizations and cultures are kind of like living beings in this regard. The relationships and unspoken understandings between those 6000+ people are not thin

Organizations and cultures are kind of like living beings in this regard. The relationships and unspoken understandings between those 6000+ people are not things that could be replaced easily. This is e.g. why the current rocket companies had to do a lot of reinvention and research instead of just switching the Saturn V production line back on.