Let's take crosscutting on a TS.
If we taught people why we do it the way we do, not just tell them how, there would be less problems.

Why would I move the fence? it has a rule on it, I set it to 6" long, that's what I need. Now let me get my miter gauge...
Without knowing about the potential dangers we get what's in the original photo.

And again, I have no idea who is in the photo, it could be someone from WWJ (I doubt) or a contributor. It could be that someone in graphics simply used the photo, not knowing.
I prefer not to guess