We definately need steemcleaners and/or other services like it - as well as a healthy ecosystem of manual abuse fighters for steem to survive & thrive.

The issue with manual abuse fighting, as @steemflagrewards tries to do, is that "abuse" is perceived differently from individual to individual. We have people scrutinize even the tiniest of bought votes. Then, there are those only looking for big purchase of several dollars.

Sure, there are objective lines like plagiarism, etc. But, other things can fall into gray lines.