I think Steemit can improve it's system to counter those situations. The network exist to share information - new or already known between the users. An example how Steemit can be improved - If a user copy paste an article, their must be an added option on the site which informs that the content is not original and is taken from "the source". Then all the upvotes recieved should be splited between the user and the writer 50-50. If the author want to receive his earnings he should just contact support and claim his part. That way the user who shared and the author who created the content will be rewarded fairly.

It's an idea, but why not? Everyone will be happy with that I think. (Sorry if I made any mistakes)