Dropbox like global drive
Our organisation has around 20,000 staff, all with MS enterprise licenses. But very few of use sharepoint nor onedrive. Its unfit for purpose, we use private dropbox or google drive free versions, and we are moving towards slack as meetings chat is so bad, and we are moving to confluence as sharepoint is so bad. The big problem with onedrive is there is no global company wide place to put important docs. The only way you can share docs is to share from your personal onedrive. When the person who shared the docs leaves, the docs are lost, and noone can search or find this docs. There is nothing like a global drive, or place where anyone in the company can navigate through folders like a shared drive. If onedrive for business had the concept of a company wide "drive", we could use it again. Same problem with sharepoint. Every person in the company ends up creating a site to share their info, so we have may be 1000 defunct unused sites, and there is no way to browse or search sites. There is no hierarchy with a root - same problem as for onedrive. Only fragmented mini shares which are effectively hidden/invisible to other users in the organisation.
However, both of these issues should not be hard to fix.
To summarize, the crux is this, our org pays hundreds of thousands in MS license fees, but if I want to put a document somewhere where anyone in the org can see it and find it, there is nothing. The best I can do is share a folder from my personal onedrive space, and send the link to as many people in the org as possible, and hope that when I leave, someone takes a copy of it and reshares it as them.