There's also a recency bias, where you ignore how valuable some decision was in the past and ignore the fact that you maybe wouldn't even get to the place you are if "you made a different decision in the past".
Not always, but very often people in the past had good reason for what they did.
It is a very capable library, and when I first started using it the docs were more Oracle docs looking - but I could find what I wanted easily. Now, it is much more annoying to delve through but looks more modern.
See also: Chesterton's Fence