I think you're assuming that the issues and bugs are simple language errors or the proverbial segfault - which in my experience is quite rare in high reliabilit

I think you're assuming that the issues and bugs are simple language errors or the proverbial segfault - which in my experience is quite rare in high reliability software regardless of the language - issues tend to appear at a system or design level. I doesn't matter much what language you're using if the HUD blurs during high G forces, clocks run out of sync or you forgot to design a feature or designed the prioritization of events wrongly.