Personally if it saved me that amount of time I would go for it and do whatever I had to to get it done, but I would somehow make sure NO ONE else could somehow remove it, copy it or use it.
That is one of my concerns is others trying to cut and paste it for thier own use without my knowledge, which is why when I stamp a document I always try to have a line or text under my CWI stamp so that if anyone made a copy of it, it would have "interference" if you will and would not be a clean copy.
I really doubt AWS would care, or know but I'll leave that up to others to discuss.