I wouldn't say this is unique to the world of tech. In fact I suspect that most people working as software engineers are well aware that there's different "kind

I wouldn't say this is unique to the world of tech. In fact I suspect that most people working as software engineers are well aware that there's different "kinds" of intelligence, and you'll instead find this single-axis thinking more among the "general population." It is certainly something everyone needs to be reminded of. Being (or sounding) smart on one subject doesn't make you smart on others by definition. As someone who has surfed the Dunning-Kruger wave myself many times, I'm super cautious of looking out for other people doing the same.