No, I don't think so.
The main reason for that is that it is a fork of Steem. Bitcoin was forked several times but none of the forks gained mass adoption. Similarly, I don't think any fork of Steem will go ahead of Steem and Steemit.
The people who built the Steem.io software, that is, the software program that runs the Steem blockchain are working on the main chain. There is a big difference between original developers and those that picked it up to fork it.
Scorum knows this very well. That's why they aren't trying to compete with Steemit at all. They are targeting a specific market instead of trying to go against the main chain.
Scorum can coexist with Steemit without any problems since it is not targeting the general users. In fact, when SMTs are launched, scorum could just port itself to the main chain without much issue.
Scorum also doesn't have many users. Some Steem based applications have more users than scorum. Scorum's official site is ranked 150,000 in alexa. Busy.org is ranked 43,000.
There is a massive gap between scorum and steemit. Some scorum investors might try to convince people that it is better than steemit but I wouldn't take them seriously. People are generally designed by nature to act in the interest of themselves.
