Tech bros are now what finance bros were in the 80s: people who aren't actually that smart, but they study something that is fashionable recently so they're constantly assured of their superiority in all spaces, not just their own. And just like finance bros in the 80s they think that not only are they capable of solving every problem without regard to their all of expertise, they seem to think they've developed a framework that has solved problem-solving in the general case.