> I kind of see it as the opposite: “space shuttle style” is code that adheres to heavyweight rules that most software development has abandoned in favor of a more improvisational style.

Most software other than that written for space shuttles and other seriously critical applications.

A colleague of mine works for a telco, and changes to software that runs on satellites takes months to approve and goes through verification stages that include running on simulators and duplicate hardware that is on the ground.