Well I think nobody is asking for miracles. The very same concerns have been mentioned since at least half a year now. At Steemfest² Ned Scott was already asked during the Fire Side Chat what he thinks about vote buying. His answer was:

It's a quite interesting phenomena.

Now this is not only an interesting phenomena, but the greatest threat to the Steem eco-system. Yet, everybody is waiting for the others to do the first step.