At first this news sounds great, but when you dig deeper, it more looks like a publicity stunt than something legit and with honest intentions.
Fractional Bitcoin 
Now combine that with this:Quote
El Salvador has one of the highest crime rates in Latin America. Violence between gangs is common and targets are usually rival gang members or the military and police.
And for the Bitcoin whales who thought this will be a good destination to spend their Bitcoins or even move to:
Quote from: gov.uk
it’s safer to withdraw money from ATMs in shopping centres or change money in hotels or banks; don’t withdraw too much money at one time; foreigners have been attacked after withdrawing money from ATMs; don’t use ATMs at night or in isolated or badly lit areas
And a last bit of advice:
Quote
if you’re attacked, don’t resist
I'll stay away for now.