These lab environments are useful for studying and prepping for industry certification exams like the CCNA, LPIC, MCSE and so on. That homelab sub has a big po

These lab environments are useful for studying and prepping for industry certification exams like the CCNA, LPIC, MCSE and so on. That homelab sub has a big population of people who feel personal empowerment or hobby satisfaction as either the secondary or primary utility to exam prep. Some even to the complete exclusion of exam prep.