[WalterBright]

Nobody remotely believed what the printing press invention would lead to.

After all, Gutenberg had only a modest goal of printing and selling indulgences. He didn't understand what the printing press was good for, either.

Pretty much all the jobs today did not exist before the printing press that enabled them.

[anon291]

I mean in some countries today, the idea of universal literacy helping people is still met with skepticism by some segments of the population.

It's apparently not obvious that mode access to books , learning, and literacy will improve lives