The title is a bit misleading (clickbait?) - the problem can certainly be fixed, and the article even goes into some of the ways. It just isn't cost-effective.

The title is a bit misleading (clickbait?) - the problem can certainly be fixed, and the article even goes into some of the ways. It just isn't cost-effective. Retiring the problematic machines would do it. I wonder if they can change the amount of money you play for in those machines, so that it's no longer worth it to try to cheat them?