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^ Not really. Normal or ordinary users do also take advantage from open source (especially free softwares).
Moreover, organizations and government can confirm that code is clean and doesn’t contain any thing hidden in it.
usually unix is written in C language and u must have a complete command in C language to have even a small verification in the code and that’s not easy at all!!!
and your second point,organizations and government officials have afterall professionals working in their offices…