That aside, I think it would be a mistake (that it wil probably be commited by many) to judge in any way the good and bad of bitcoin as a crytocurrency by whatever it happens in El Salvador as economy is a complex system that should be analysed as a system, and one should be very careful when judging the results that follow one concrete action, as the same action in a different economy could have opossite results.
On the other hand, the acceptance of bitcoin by states, if it should happen, will probably be done thinking that they can collect more taxes by legalizing it than by not