As others have mentioned, what you've described is survivorship bias and it's prevalent in many places. I found the following to be an excellent and very reada

As others have mentioned, what you've described is survivorship bias and it's prevalent in many places. I found the following to be an excellent and very readable article on the topic. https://youarenotsosmart.com/2013/05/23/survivorship-bias/ https://youarenotsosmart.com/2013/05/23/survivorship-bias/