We are living in a world where teenagers, and even younger kids, are rejecting the cultural pressure to quote look normal unquote and instead using inexpensive technologies to roll their own prosthetics for themselves and others, and a lot of them are inspired by science fiction heroes. This is why we need good science fiction stories. I even forgive Tony Stark for being such a jerk.
https://www.reuters.com/article/us-spain-lego-prosthetic-arm/brick-by-lego-brick-teen-builds-his-own-prosthetic-arm-idUSKCN1PW155
https://www.reuters.com/article/us-spain-lego-prosthetic-arm/brick-by-lego-brick-teen-builds-his-own-prosthetic-arm-idUSKCN1PW155