The point of this hardware is that it's desktop.
I mean, barely. If you want a video out you have to add another GPU which reduces the power the main GPU gets. And most offices don't have 800Gb fibre to the desk. The Supermicro version is rackmountable, which makes more sense.
Ultimately, that’s where most people want to be local and on their desktop. It keeps coming up over and over again. Most working in this area want privacy and want to work on their desktop or in a small cluster within a small team office environment. It keeps coming up over and over again. Rental is fine temporarily but it isn’t the end point no matter what Sam Altman wants, personal computers won out for a reason over the mainframe solutions of the past. Those reasons have not changed.