> For battling decay. It can be easier to grow a new body from a single cell, than to keep patching up a running one. And we do the same in IT. Sometimes the o

> For battling decay. It can be easier to grow a new body from a single cell, than to keep patching up a running one. And we do the same in IT. Sometimes the old system has piled on so many hotfixes and customizations that in order to upgrade, you can only build up a new system next to it and transfer your data to it. Then you shutdown the new system. That's procreation, learning, and death.