Why not. It is the easiest thing for them to do. Paper doesn't cost anything. But all of a sudden you print a few words and numbers on it and all of a sudden it has value. And then you can use that to pay off debts and bail anyone out.
Just like housing prices going up last decade. Housing prices would NEVER go down. Until they did.
Printing money solves all the problems. Right up until it doesn't.
Long way to go before this ends. But when it does end, it will make 2008 look like a picnic.
Why did Mexico buy 200 tons a gold a few months ago? Very easy transaction. No brainer. Print up a bunch of pesos on pieces of paper and exchange it for real money that holds its value.