Cheat sheet for cognitive biases
Cognitive biases are systematic ways in which people deviate from rationality in making judgements. Wikipedia maintains a list such biases and one example is survivorship bias, the tendency to focus on those things or people which succeed in an endeavor and discount the experiences of those which did not.
Source: A cognitive bias cheat sheet
It’s all too simple to focus on what still exists, and forget about all of the products that failed.