I'm not getting it. High quality content is the intended outcome.
In the context, by high quality content I mean content that could have fit the taste of razvanelulmarin,
This is not a scam! It is part of the advertised and intended value of SP that authors can vote up their own content.[...]
It is not what I intended to mean :( I'm not talking about self upvoting in that sense. Let me rephrase. I think that if a malicious whale wants to make easy cash without cashing out his whale account, he can simply create a secondary (minion) account with which he will start posting content. Then with his whale account he will upvote his minion account. It is a kind of "pump and dump scheme" adapted to blogging.
I understand what you are saying. The system is supposed to handle that. I think it is simplest to say that the system apparently worked in this case. People being vigilant, identifying plagiarism, and downvoting it is part of how it supposed to work.