No admin would be running around installing OS's (or even apps, individually system by system) on an individual one by one basis in the enterprise anyways. It'd all be done via LAN automated installs requiring no real admin interaction at all per terminal and Start 8 or other apps would be auto rolled/slipstreamed in along with other patches and applications via AIK or other means. Script/auto install means you can roll out a new OS upgrade to an entire fleet of PC's without ever having to noodle around at each individual system at all. I've only got about 8 PC's in my business network myself and have never fiddled around with manual installs or upgrades, auto installs are extremely easy to do via LAN. No sane man would be doing it via optical type media when they could do it in a flash via gigabit ethernet
That is, if Win 8 was being used in the enterprise at all. It's not, in my experiences. I still do a fair bit of IT consulting but my main trade is telecomms, and I've not once had a client specifically ask for W8 to be installed, tbh. If anything, clients buying new PC's ask for W7 downgrades if their new host systems come with 8 installed. It's not a bad os, W8 - it's just horribly foreign to users used to the traditional desktop experience, but 8.1 is a vast improvement and with the addition of start menu add-ons that can be auto installed, the Metro crap can be avoided outright.