The guy that wrote that article was not an archer.
His first two depictions of "pinch draws" are thumb draws. His picture of a thumb draw was a pinch.
His "reverse draw" is strange, I will try that and get back to you.
The article was also very Eurocentric, the "Med" or split finger draw is not stronger or better than a thumb draw and it does not let you shoot a stronger bow.
The composite or "horse" bows were very short and the angle of the string pinched the fingers if the split finger draw was used with them.
Actual poundage was the same or higher than the famous English longbows. And the only surviving longbows came from the Mary Rose, which was Tudor, while there are literally thousands of composite bows surviving dating from all ages.
Arab Archery, OTOH, is considered to be a classic on Eastern archery. And is pretty much what Lars was supposed to be quoting.
OOPS on him, there is actually somebody that read it.
Early European explorers pointedly noted that Native Americans were archers first and foremost and that they were incredibly mobile and would not stand and fight in formations, such as they were used to. That was in most of North America, what is now Mexico and Central America used bows but not in the same way, atlatls and darts were preferred for warfare. And South America used slings...