The normies we have using the net today were brought in by corporations using the internet to make it easier to reach out to people.
Outside of commercialism normies, you indeed of the more-so STEM-inclined peeps who actually _try_ to 'puter.
Gotta reflect on your compsci history 101.
Computers become normie things when they were more affordable and thus easier to access. Before then, they were strictly expensive tools.