Do you think “the vast majority of people” know (or even want to know) how to create an encrypted 7zip file, let alone do a dry run of decryption at some regula

Do you think “the vast majority of people” know (or even want to know) how to create an encrypted 7zip file, let alone do a dry run of decryption at some regular cadence? You can barely convince the average user to set up their own backups, and of the users that do, how many do you think test their backup recovery procedures?