that's what happens with stuff that is so popular it becomes infrastructure. It's like the guy who goes "ew I haven't touched Java in ten years" while half the stuff he uses runs on it. WhatsApp in some countries is less of a ChatApp you use than a thing you live in.

Like the psychology bit that Freud seems absurd because all that's left to us are his mistakes because the rest has been so thoroughly absorbed you don't even realize it