Worry more about bad programming
A classic here on piss poor QC/QA software development, The Therac-25 radiation therapy machine debacle where massive overdoses were given due to software errors :
https://en.wikipedia.org/wiki/Therac-25
A classic here on piss poor QC/QA software development, The Therac-25 radiation therapy machine debacle where massive overdoses were given due to software errors :
https://en.wikipedia.org/wiki/Therac-25