How does this affect the community other than smaller accounts not getting up voted by those big accounts?
This deplets the reward pool which is produced at a fixed rate. Meaning that in the end all of our upvotes are worth less because they are taking a big portion of the pool.
At one point of time haejin was pulling an incredible 6% of all rewards.
We can only speculate on the destructive effects of their greed on the future of this platform but they are surely not good.
I am just happy you refer to it as a circle jerk. I was calling them reach arounds for a while, but this may be better.