"Normies" from the 80s do not represent the dissemination of personal computing we experienced in the last 10-15 years. So far we have one or two generations whose experience with personal computing is limited to downloading apps from app stores and ,at best, check webpages. That is very far from what people used DOS for.
I'm saying that there's a far larger portion of the population using computers, and they all benefit extensively from R&D going into UX design that allow people to use computers without having to "learn".
What kind of dissociation from reality leads anyone to believe your regular joe will even have the motivation to waste their time sitting in front a computer, open a terminal, and type commands? Some software engineers don't even want to touch a computer when they clock out, and you expect others to push themselves to "learn" something the have no interest in?
The only "Linux Desktop" ready desktops and laptops to find at local shopping mall for normies are Android and ChromeOS devices, likewise in out-of-the-box experience for hardware support for peripherals.