That isn't what the article is about at all. It's not even what the first paragraph is about.
What they are doing is designing physical shapes that will have a specified probability of falling in different positions.
What you are talking about is post processing a biased random signal to get a less biased signal.
And yet the person you replied to was quite clear that they are responding to the title.
just providing a comment I thought was interesting and kind of relevant
wasn't trying to hurt anyone or anything