If a certain technology is very interesting/promising, then stop wasting large amount of time on Reddit/HN seeking advice/opinions about _whether_ you should learn it or not. Instead, find 3 or 4 hours to finish some introductory tutorials to actually get to know the thing. This 3 hour work will relieve you from weeks, even months, of uncertainty/lurking, not to mention the possible anxiety due to not understanding p…
I do feel annoyed by people who get caught up in the hype and say "we'll use react on our stack" when they don't even know what React is. I just point them to the facebook tutorial.