I can't believe how many "news" stories were written about a single tweet, honestly. It's amazing how thirsty the music journalists are for news from this band lately. I guess we aren't the only ones!
I don't know if we can even begin to understand what he meant by it — it's exciting to speculate, but with him, we should know better than to read too much into it. I think he was just trying to be more funny than anything, rather than make a bold statement, but I could be wrong. If it means a different direction than the trilogy-style music, I hope I am wrong, too.