If you talk about EOS in terms of Dan's team able to disrupt Steem, maybe. But EOS is a platform and the people building on it, might be able to disrupt Steem.
"STEEM on the other is blockchain that specialized in media. Social media is a tricky thing and Steemit Inc"
Social media is indeed tricky, but looking at history myspace was here before facebook, so yeah nothing is certain....
Not to be negative towards Steem, but that is just the nature of competition.