RealityVoid parent
100% of what? Those things have ECC and redundancy to the hilt. The data corruption odds are real and higher than one would expect but still not very high.
Look at pag 138...and correlation with altitude...: https://www.atsb.gov.au/sites/default/files/media/3532398/ao...
Yes, look at page 135 as well. They don't know, they have educated guesses. It could be SW, it could be hw.
EMI causing bugs is the equivalent of "bad juju".