This, primarily, is why.
Because it's the same crash-it-and-cash-out, borrow-and-offshore scam that derailed the country for good in '81 - and that sunk if further in '01, in '18 (the 'Macrisis'), and now again.
The fact is also, that Big Biz interests in Europe and the U.S. (in some cases, at least) like seeing these heists.
One, because they're right up their ally; but two, because they believe it would force Argentina to sell its natural resource-related state firms and exports for peanuts.
And you know how they love a good bargain - except, of course, when it comes to their mistresses.
Those - as Trump knows so well - tend to be nothing but a big headache, and very expensive.
To paraphrase them - it's the money, honey.
That said - Thank You, Judi, for your insights, concern and good cheer always. Happy Holidays to you and yours. 
Edit history
= new reply since forum marked as read