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I'd say that there are two kinds of 10x devs, as per who is doing the determination of '10x':

1. From the perspective of the money folks (managers & up): they get their jobs done very quickly, thus spending minimal time, meaning minimal money.

2. From the perspective of excellent systems design folks: they design an excellent system that addresses subtle problems and foresees and addresses system problems that will occur down the road.

Type #2 folks tend to not add to the org's technical debt; Type #1 folks don't GAF about such considerations -- they meet their quotas, get their perf reviews, and are on their way to their next promotion/position/project.

I'd say there is excellence for excellence's sake, and then there's money-making excellence. Sure, orgs need to make money (or at least break even) to survive, but there's a lot of overlap where being too much one way or the other will be an impediment to long-term viability.



And then at Boeing with #1 the doors fall off…


Be careful about generalizing about Boeing here; it's not really a good example. The door plug incident was entirely caused by managers, not bad engineering.

In this case, the managers knew that if they went back and removed the door plug then it would have to be inspected again. That would cost time, and the plane was already behind schedule. Their bonuses were in the line, so they got together to find a solution. The solution that they found was to skirt the inspection rules using semantics. They decided to have their employees loosen the bolts, shift the door plug a little, do the required work, and then put everything back. This allowed them to claim with a straight face that they hadn't ”removed” the door plug, and therefore it didn't need to be inspected.


It was bad engineering full stop.

Yes the root cause might stem from management but good engineering would not have the doors flying off... thus bad engineering. Regardless of everything else, engineers are responsible for their designs at the end of the day. (Yes when management only approves cheap unsafe designs)

Otherwise you are "just following orders" which is not a viable leg to stand on.


I disagree. First, remember that we’re not talking about doors here, but walls. Specifically, a door plug which is a type of wall segment that can be put into the space where room was left in the airframe for an optional door. If you cannot get that detail correct, maybe your opinion doesn’t count for much.

Second, the steps for assembly of an airplane are all very important. If any of them are skipped or left out somehow, the plane will break! You can’t engineer your way out of this problem either: the more ways you add of attaching that door plug to the airframe, the more possibilities there are for mistakes. That’s why the assembly process requires one team to install the plug and another team to verify that installation was completed correctly and according to the specifications.

Any time you have managers using semantics to weasel their way out of the inspections that verify that the plane was assembled correctly, that’s the mistake. Full stop. Fire those idiots.


You absolutely can engineer your way out of those problems. There is always a simpler, easier way to put things together.

https://x.com/SpaceX/status/1819772716339339664

I think what happened is, Boeing codified all these labor-intensive manual processes back when they were riding high. The planes were selling well, they were state of the art. Now, 30 years later, it takes the same amount of effort to put everything together without mistakes, but the relative value of the finished product is less.


Not sure what that has to to with writing software. If I take your perfectly written code and run it on bad hardware that corrups memory and a CPU that does math wrong (aka don't tighten the bolts down all the way), it's going to cause problems, regardless of if it was a #1 or #2 type engineer that designed the system.


> the doors fall off

"That’s not very typical, I’d like to make that point."

https://m.youtube.com/watch?v=8-QNAwUdHUQ




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