EOS is a fantastic promise project and platform. Even though Block One team does not launch a new Steemit, there are others which may use the platform to do so. There are already projects launching tokens with similar ideas of posting and getting paid from other users (Karma, ONO and Challenge) votes as well as decentralized exchanges (EOSfinex).
IMO, there are two big barriers Steem already have, which are an existing audience and proven concept.
If you just copy but do not bring additional value, there are many chances you will end up failing, but I am curious about how the whole EOS ecosystem develops with all the coming apps and projects and of course, some competition may push new development speed into Steemit.