> If an engineer doesn’t sweat through the weekend gluing the raw UI to the CDN signing logic, will they have the courage to stand in front of the COO and CEO of a major company and argue for a launch?

Yes, other people gain courage through different means.

> Sheryl was fine with that compromise. We shipped the feature.

Not trying to be a fan of any individual. But this, to me, is the difference between a fast moving team and a slow moving one. Teams being able to decide on the ‘right compromise’ on the fly is worth more than any expert you can hire.