

Auditable access control and security, private connectivity to vendors and partners, advanced fire prevention, a formalised process for access for vendor support, delivery docks for full rack unit appliances, separate circuits for power, space for cable runs, 24/7 concierge.
Rolling your own datacentre is ludicrously expensive when you can just rent half a rack of space, this would kill small businesses and major corps would just take the hit and pass it on to consumers.



We might be talking about different eras, but they were run out of dedicated racks in datacentres for an extremely long time before the cloud. There are entire industries that would no longer be financially viable if they were stuck with their little comms closets.