With this economic model, not a chance in hell.
The whole system is rigged to accumulate wealth at the top, with early adopters, severely disincentivising new users.
If some radical changes are not made in the way upvotes, flags etc work Steem is bound to become a bot infested hell right out of Terminator.
RE: 25 Reasons Steem Will Replace Bitcoin as #1 Cryptocurrency by 2021!