There would be, OT, once they've killed off all the squirts. 
 
Isnt this a stupid and arrogant comment that should be deleted? 
 
Do you think we should kill the short Japanese whose innovations in technology is remarkable?  
 
"Above Average Height" would just make you want to raise the hoop higher, there is no real use for a tall individual except perhaps if you need someone to move a bird's nest to another tree. 
 
Height is just for entertainment. Well, not even. 
If you are filmmaker, you would know that shorter guys project better in films.

Would we have enough food to feed them, when the time comes that the average height is 6'2, and what is considered tall is 8'1?