I've seen a few predictions that don't meet these criteria, you are right in saying that it's the fault of the editorial staff. The thing is, I think it is the fault of the editorial staff that they do not explain these rules clearly enough.

BTW, here are a couple of predictions that are not really clear:
www.thestandard.com/predictions/apples-itunes-displace-wal-mart-largest-...
Problem: Not clear what metric is going to be used.

www.thestandard.com/predictions/ad-spending-will-shift-impression-perfor...
Problem: Just read it and you'll see.