What is the return for all the kids that saw it and because of that decided to become scientists or engineers, and all the technology that they developed? I hav

What is the return for all the kids that saw it and because of that decided to become scientists or engineers, and all the technology that they developed? I have no idea how to quantify that, but I can guarantee you that there was an effect. And just because you don't know how to quantify something doesn't mean you get to ignore it. Unknown doesn't mean 0.