Here is another case of what I’m talking about.
Using this trick at least gives you another chance, without any negatives or added costs. Your photo, song, video, ebook, or Word doc could be in a cloud drive or naturally living on someone’s laptop. At least you have one more chance.
Nothing else changes in regards to the strength of the key or managing encrypted datasets. The only difference is that the “random” keystring isn’t really random. It has meaning, known only to you. You don’t need to encrypt or hide the files, as you would a passphrase or key. This allows you to keep your “secret” out in the open so that you won’t “lock yourself out”.