Articles like this happen when folks confuse actual research with google search. And this article is a lazy patchwork of google searches while there is an ample amount of doctoral dissertations and legit journal papers on DT. All I read on this page was “I was too angry to be genuinely curious, so I just surfed on internet and gathered things to feed my bias”.

And by the way, you seem obsessed with how architects define design. So just to let you know, I’m an architectural designer, and practice architecture at a reputable firm, and actually have a PhD in architecture, and had taught architecture (both theory and studio) at university, and have won multiple research awards, and think DT is awesome, useful, and actually works.