I'd like to see data too, but I don't have it :) My perception agrees with yours, I was thinking of the 80s and 90s when it wasn't uncommon to see superstars h

I'd like to see data too, but I don't have it :) My perception agrees with yours, I was thinking of the 80s and 90s when it wasn't uncommon to see superstars hone their skills for 4 years in college.