Maybe a better metaphor would be bodily responses to ailments. We usually think of immune systems as white cell warriors but the body has several ways to fight

Maybe a better metaphor would be bodily responses to ailments. We usually think of immune systems as white cell warriors but the body has several ways to fight off disease. Fevers are often created by the body to "burn" the offending pathogen from functioning properly and infecting further. Diarrhea is an attempt to purge the body of the disease from the areas it thrives in most. So in this case, roll your own crypto and use known strong crypto. Don't rely on either on their own. Example: use end-to-end encryption apps like Signal, but if necessary, communicate in coded language that only the person on the other end would understand.