Very unfair to some Muslims

[//\\\\leXX]

If allah allowed the profat Moh marry a young girl, why allah did not allow
this elderly holy Muslim cleric marry the 6 year old girl?
http://news.asiaone.com/news/asia/afghan-cleric-arrested-marrying-6-year-old-girl

[The_Inquirer]

Post by //\\\\leXX
If allah allowed the profat Moh marry a young girl, why allah did not
allow this elderly holy Muslim cleric marry the 6 year old girl?
http://news.asiaone.com/news/asia/afghan-cleric-arrested-marrying-6-year-old-girl

but since 6 is less than 9, that mean cannot, is it har?

in that case, why don't they just do 69?