She Xiao Jiu Da

from http://weiqi.sports.tom.com/secondary/wskt/buju/image/bj074.gif  

How to handle this situation. Is it correct to answer by saving meagre 2 stones (having not much of a function, except being ballast) ?
After all, Black vastly expands _his_ moyo!

Answer: No!

from http://weiqi.sports.tom.com/secondary/wskt/buju/image/bj075.gif  

On the contrary, this looks nice for White!
He builds his own moyo AND diminuishes Blacks.