The use of a decentralized networ as the blockchain for social networks is revolutionary. The steemit system lets the users know that their content has value and that they can make profit from it without giving their information to a corporation.

It's being rumored that Twitter wants to ban the propaganda about cryptocurrencies. Do they feel threatened by these new platforms? We'll know it very soon.

Although steemit has few users as you mentioned, its future looks promising, the community is growing constantly and the quality of the content is increasesing.