Zero tollerance for plagurism.
Although it is still in the beta phase, I would anticpate at some point that Steemit will introduce a net-scanning tool of some sort. Universities employ these for assignment checking where if a random string of 7-12 words is idetical to something else on their database, it gets flagged.
Considering the monetary incentive on Steemit to publish good content, it would be a good tool for Steemit to improve the platform's credability, even if they only scan (with a high tolerence threshold) posters until they reach a certer level of steem power.
There is a cheetah bot that checks, but it seems to have missed this. Maybe it just checks against articles that have been published outside of google and not against other steemit articles.