Methylphenidate is not a nootropic. If you are wondering if amphetamines and their friends improve your work output, the answer is yes, yes they do. They won't make you smarter though.
"Doomers, in case you’re wondering, are Millenials and younger folks who haven’t yet found their place. [...] a Doomer might bring up to explain their negative worldview, like climate change, politics, or wealth inequality, the source of their angst is that they lack a sense of belonging in modern society."
This seems a little cynical. The Author can't think of _any_ other reason to hold concern on those topics?