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It is my personal opinion that it does pretty much "make it all better". I don't think single-digit anything really warrants pitchforks. The alternative is that steemit staff do not curate content at all, but I don't think that's a feasible strategy. (It's also worth noting that several staff members have delegated their voting to Curie.)

The de-emphasis of curation rewards to author rewards is not an accident. The primary way to earn rewards is via authorship.

Curation rewards going to staff as a result of staff SP being used to curate the site is an unfortunate side-effect of the necessary action of curating good content to make the site more attractive to users.

It would be great if votes could decline curation rewards at vote-time (or per account) but it's not on our roadmap right now due to the relatively small negative impact versus time/energy/diversion of effort required to fix it.