If you want to get to the top, there's always the risk that it will isolate you from other people.
An increase in the relative price of products from the low wage manufacturers in Asia and Latin America will also make those products less attractive to American consumers.
I couldn't get as big as a bodybuilder. I tried to put on as much weight in the right places as I could. My weightlifting was impressive for me, but not for some of the guys I see down at the gym.