I know you are just trying to pick a fight... apparently you have nothing better to do on a Saturday, but ok.
What you AREN'T allowed to do is cut and paste it and say you wrote it.
You are also on questionable grounds if you were to collect all of my forum posts and publish them as a book... especially if you claimed you were the author.
Regarding bintray, there are a few isolated places like the one you quoted where they seem to forbid distributing things like assets by themselves. We've been trying to find a place where they state outright one way or the other. It definitely leaves game distribution on interesting footing.
But do note, despite what that page says, CC0-1.0 is one of the options they support in their package-creation drop down. Perhaps they've relented somewhat.
Edit: ...posting an image of that section of the drop-down:
They also have the artistic license in there which I usually associate with content and not software... though I haven't looked at it to see if it's leaning that way.