> "Most firms only last about 10 years" is selection bias because most firms don't even last 10 years.

How is that selection bias?

> Meanwhile you're ignoring my point -- it isn't a question of how many companies are destroyed, it's a question of destroying even more of them. Some evidence that maintaining a stable company is hard is not an argument for making it even harder.

Sure. I'm not proposing we should make it harder