I might not notice these slightly fascist tendencies if I were sharp-sighted, fit, properly trained to the modern OS and also young and therefore unable to personally remember a looser, more democratic regime of computational life. But I will never be a marathon runner, and it seems odd that a computer technology is confronting us with biological handicaps just for the sake of consistent software design.
The user-centric approach was supposed to realize that nobody is perfect, we all are unique, we think differently and so forth, but the world’s richest commercial empire can no longer afford that idealism, somehow. Our personal differences, functional, legitimate and social, have to meet Apple’s needs on Apple’s terms.