This one has allegations I haven't seen before. I've heard that yelp offers to rearrange reviews or remove one or two bad ones if you buy advertising, which sou

This one has allegations I haven't seen before. I've heard that yelp offers to rearrange reviews or remove one or two bad ones if you buy advertising, which sounds a little dodgy. I've never heard of it threatening to remove good reviews if you don't buy advertising. I'm more skeptical of that one.