That or maybe flexing simply yanked a wire loose.

Here, we see even simple cylinders can have problems.

Piggyback/side-mounts mean the core can blow up in your face, but it also allows wider payloads with connection points well away from engines. The LV stack is more squat, and the tops of all stages pointed–all engines as ground level.

Aerodynamicists and mass-efficiency gurus hate parallel staging /side mount payload combination, but it also means your workers are mostly at ground level.

The chopstick LUTs are such that you are asking workers to paint the Sistine Chapel atop a skyscraper scaffolding.

Such a set up will spook workers into “good-enough” thinking that Energia-Buran anglers never had.

In the same way Elon can dismiss the CFD wonks, you can dismiss folks who think all rockets should be pencils.