Smart. Honestly, every country should ban Twitter and Facebook. They are a net negative; this century's version of tobacco companies. Arguably worse, as they are a cancer on the entire discourse and well being of society writ large.
Not everything about Twitter is good, but, for countries at the verge of losing their right to free speech, access to twitter proves essential until there's a better alternative.
Yes, it's called the Web. It's a somewhat decentralized platform where people can publish websites. With some effort, it's not too hard to escape local government censorship on it.