If you share a document with "everyone in your organization" it is not visible to them by default. This has apparently been broken for something like 5 years.
7 Google only thinks in terms of very large numbers, starting at a billion. If you were to share a billion documents, and those billion documents appeared in everybody's folders, then (you must admit) that would be a bad user experience.
6 This feature is not part of Microsoft's or Facebook's or any hot-new-startup's core feature set, so there's no incentive to fix this.
5 Writely finished integration long ago. There's no one to do the work.
4 Google is a search company. The current mode encourages users to search for documents (in hopes they're there).
3 Fixing this feature would not increase ad revenue.
2 Google's tech support department left for a dental appointment six years ago, and she never came back.
1 Fixing this problem would not lead to more Google+ logins
Google's recommended workaround: If you want to share your document with your coworkers, and have them see it without searching, post the document on Google+
This seems the most relevant. Without a competitive angle, it's hard to see how this gets prioritized inside the company.
My workaround is to create a folder that is shared with everyone (individually list out each user in your domain) and make sure that all documents are created in that folder or one of its subfolders.
And since there is no technical method by which you can ensure that everyone creates their documents in that folder (and ONLY that folder)... you pretty much have to resort to constant annoying emails "are you sure you created it in $SHARED_FOLDER this time?" when you can't find stuff. Because the search tool is also broken.
This discussion started something like 5 years ago:
What kind of workarounds do you guys use?
This bit me on the ass because I did not even know people in my organization did not see these documents.