This is only for managing the most important secrets of all which are kept offline in safes for most of the time, development work just happens on regular Macbooks, I'm currently sat in my Bedroom writing this and I run this program / authored this blog post.

These sorts of precautions are pretty common at large companies, there's some good coverage of them generally here: https://en.wikipedia.org/wiki/Offline_root_certificate_autho...