I find myths fascinating.
Myths matter, even or especially when they are wrong.
Myths shape the perception of people believing them.
Myths therefore shape their actions as well.

What is your favorite myth in the startup / silicon valley / internet culture? Ideally something widely believed but that you know is wrong.

Why is it wrong?
What part of it is true and what is the correct take?
Do you expect the myth to die anytime soon?