Add .dropboxignore directory to exclude folders without using selective sync

Selective Sync is an absolutely terrible solution for several reasons:

• First of all, it's clunky and counterintuitive when you simply want to ignore something. Selective Sync requires you to first add the very thing you want to ignore to Dropbox.
• Drilling down into your directory tree via the settings dialog is extremely slow and time consuming
• Once you activate Selective Sync on your directory it then removes the contents from your local drive and keeps it in the cloud - the irony of course being that you never wanted it in the cloud to begin with. And the one place where you actually want it has now been removed. (Circle back to first point)
• Directories containing Selective Sync settings must be removed via the Dropbox web app or you may never actually get rid of the directory you are trying to ignore.
• Lastly, and this is a big issue for me - if you ever move the corresponding folder in your local directory tree it breaks Selective Syncing requiring you to go through the entire process all over again. 

This is not a solution. This is a kludge is what it is. 

And I have to say I'm having a very hard time understanding why a big company like Dropbox cannot simply add a .dropboxignore feature like so many of us have been asking for. It's a very very simple concept that would help many of us achieve substantially more productivity from using their product.