>For example a RAM stick breaks and has to be switched out, I guess it takes a systems engineer in the NOC at least 30 minutes to locate the server, disconnect it, replace the stick, mount the server

These servers run without cases, using water cooling. Hardware failure automatically notifies the NOC with the location of the failed hardware and replacement parts are already waiting on the desk.

>handful of these gimmick servers

OVH is one of the largest ISPs in the world, and is well known for disruptive pricing and services, such as 100/100 Mbps broadband to the home for $20/month.