The problem is that in this case, is that the act of collecting that piece of paper can cause other pieces of paper to appear or disappear not only in this file, but in every file in the building and you won't know if it happened or not.

At that point, you cannot trust any of the files in the building.

It's not a matter of operator error. This exploit works during normal operation of the software in question, it depends on the software being operated in a typical fashion.

It's not a choice of the person running the software. The only choice is to stop running the software.

It also calls into question all evidence ever collected by this program because we can't know if some other company already figured this out or not.