MRI software is nothing more than a customized WinPE environment. It doesn’t suck surprisingly but nothing real special

Your IT team is doing it wrong then. You can map SharePoint sites directly to file explorer. Now that brings on a whole different set of issues ala OneDrive, which IMO is an even steamier pile of shit, but still - it’s better than going straight through Teams

This is not exclusive to Apple, any pre-built reseller does the same thing, Apple just has their flair of a little bit more