Triggering an action when an item enters a Queue involves looking at more than just a new Queue Item creation. Don't forget to handle the moving of an item from one Queue to another.
Once a user leaves the organization, you might need to recover the forms and form submitted data, even if the form ownership was not updated. There's a way to do it, it's not all lost!
Let’s look at an organization and their customers. You can relate that to the old Babylonian empire of you want. It’s the constituents that pay taxes, just represented by customers buying your products or services.