A more fundamental reason is that society is no longer interested in pushing forward at all cost. It's the arrival at an economical and technological equilibrium where people are
comfortable enough, along with the end of the belief in progress as an ideology, or way to salvation somewhere during the 20th century. If you look closely, a certain kind of relaxation has replaced a quest for efficiency everywhere. Is that disappointing? Is that actually bad? Do you think there might be a rude awakening?
Consider: It was this scifi-fueled dream of an amazing high-tech, high-competency future that also implied machines doing the labour, and an enlightened future relieving people of all kinds of unpleasantries like boring work, therefore prevented them from attaining high competency. The fictional starship captain, navigating the galaxy and studying alien artifacts was always saving planets full of humans in desolate mental state...