[brandall10]

"But since then people have gotten at least a little bit taller. We developed more ways in which to train and grow our physical strength."

The person who shifted this mindset is one of the smallest players in the the NBA though, would be considered small by the standards of any era of the game. And in fact, the game has shifted to smaller players in general in recent years. It's more of a skill/agility thing.

I do believe technology has played a part though. Being able to 3d scan a player's motion and find mechanics adjustments has proven to be quite powerful.