Earlier quoted context omitted.
The idea that less developed economies have much faster potential growth is well studied in economics: https://en.m.wikipedia.org/wiki/Convergence_(economics) I'm not sure what point you're trying to make here.
The article itself contains a lot of nuances and exceptions, and makes no pretense at trying to predict the future, but you're treating it as if it inevitably predicts an outcome as time tends towards infinity. You might want to better understand the difference between a non-predictive theory meant as a guide for future research, vs reality, an actual future, and a truly predictive theory. That said, don't let me sto…
Would you please stop posting in the flamewar style to HN? and especially not cross into personal attack? These things are against the site guidelines, and we've had to ask you this before.