FIFA's Altitude Ruling

I am perfectly happy blaming Argentina and Brazil for FIFA's ban on matches played over 8,200 feet. But if I'm wrong, and the two traditional South American powers have not pulled the strings on this, why is Argentina unwilling to pledge it's support to Bolivia's struggle to get the ban overturned?

Come on Argentina, show your cards.

Bolivia sees soccer rule as height of folly [Los Angeles Times]
Bolivians play, frolic in street to protest FIFA's altitude ban [International Herald Tribune]

-ac