[lazyasciiart]

This isn’t obvious at all. Editors can evaluate and improve the work of writers even without being bestselling novelists themselves. Richard Williams coached his girls to world championships without winning one himself. Roger Ebert never even made a movie.

[asdff]

No one gets hurt or dies when roger ebert whiffs on a movie review. Now imagine I tell you I've built a bridge. I have no idea how to perform the necessary calculations. I have no idea how to verify the necessary calculations. But, I've built you a bridge. It kind of looks like a bridge. Will you drive across it?

Not all software is mission critical. But some software is.