It would be nice if there was something that let novice bitcoin programmers know if they were doing something (possibly) stupid. I know, I know, don't hire stupid programmers, but let's step into the real world. Not everyone is going to be a bitcoin pro from the offset. There's no need to punish users of a poorly programmed service if we can do something to help these programmers learn...
Considering how few "strange scripts" there are on blockexplorer (although it's not reporting any more with the huge flood from this one block), I'd say that the moment you start writing your own scripts or not just copy/pasting the
two scripts that are used everywhere you are pretty much running without a safety net.