I’m assuming you are the @evanatcoda who is the publisher of
I am very sorry that I believe I accidentally made the document “comment only” in it’s link permissions… I was just trying to figure out why my published document was not publically editable like this one, and I made that change thinking to quickly reverse it, but then of course, I only had commenting privileges and could not change the sharing setting anymore. Just notifying you here so you can fix it quickly!