And most computers were entirely shit in the 1950s

yet here we are today

You must’ve missed the point: people invested in desktop computers when they were shitty vacuum tubes that blow up.

That still hasn’t happened for any other user experience or interface.

> it's good and versatile enough for what most people need to do with a computer

Exactly correct! Like I said it’s a limitation of the human society, the capabilities and expectations of regular people are so low and diffuse that there is not enough collective intelligence to manage a complex interface that would measurably improve your abilities.

Said another way, it’s the same as if a baby could never “graduate” from Duplo blocks to Lego because lego blocks are too complicated