In a commercial situation like a monster truck exhibition, there is president that the operator can be held liable for foreseeable mechanical failure that injures people.
This wasn't a kid playing with his mom's gun. It was a commercial production.
If you're doing a scene where you throw acid on somebody is the person throwing the acid supposed to check to make sure it's not actually acid before they throw it?
Should they check to make sure the knife they're about to stab someone with is actually a prop?
I think any reasoning person would say the answer is "yes". Ultimately you are responsible for your own actions.
Think about it like this, remove the context of this being a movie. Your friend hands you a gun and says it's not loaded, should you check before firing the gun at someone? Your friend hands you a bucket of "not acid" and tells you to throw it on someone. Do you check that it's really not acid first?
It seems like the suggestion is that the film set is removing these base line responsibilities for our own actions and I don't think that's very reasonable.
Honestly the fact that it has code that says "under condition X, don't save the user" is concerning in and of itself. I wouldn't trust this thing in the first place.
Gooooood damnit. I knew this would happen.