...They posted their algorithm as a way to prove it was reliable. Someone pointed out it wasn't reliable. They revised the algorithm. What's the problem here?
They were selling this algorithm for money and evidently didn't use any of that money to hire a single statistician to validate it. The mistake they've made isn't obscure and doesn't require a thousand pairs of eyes to catch, just one.
Imagine paying to a professional plumber, he installs the toilet upside down and then posts the photos online for the community to check his work.
Imagine paying to a professional plumber, he installs the toilet upside down and then posts the photos online for the community to check his work.