[curt.clifton]

I think the idea is that Inbox is for "out of sight, out of mind" items. If I think of something in the course of doing other work, I throw it into the inbox (using QuickEntry) for processing later. Until the item has been processed from the Inbox into the appropriate place, OF assumes it is not actionable. By default, if you provide a context and project for an action from QuickEntry, then the item bypasses the inbox. There's a hidden preference to send all items to the inbox, forcing manual processing.