I guess the point of the OP is that there will be a second country that most likely be adopting bitcoin. So that is enough for us to see this as a welcoming news.
El Salvador knows the risk but they decided to gamble with it and go and make it a legal tender. Only time can tell if they are going to be successful or not. We are just in the bear market that's why many proponents or at least anti-bitcoin in El Salvador doesn't see any positive with the government's move.