And as to your comparison to EQ characters. I don't know much about EQ but I can imagine that the time and skill it takes for an individual to get to level 60 in EQ is far greater than it would take for a group of 25 people to trade a kingdom together.
People who are going to try and create kds from scratch aren't going to bother trading legally. They'll use that to their advantage the best that they can but they're going to get their kingdom together in whatever means necessary that are undetected by OMAC. So yes, $5 I would pay for 25 accounts, maybe.