In my mind there would probably be a strong correlation between engineers making products unnecessarily complicated (whether they want to or not) and end users deciding en masse not to sink the time into learning how to maintain increasingly convoluted and esoteric designs.
To me, the biggest surprise about Unix history is that the Bell patent office secretaries were able to use ed and [nt]roff. I cannot imagine the general populace doing that.
Folks on this list will be fine, there will always be programming environments for us. For the rest of the world, simpler is better and simpler isn't Unix.