How many times have I explained the 'secret side' of how these loans work??? THERE IS NO SECRET!!!
Furthermore, they need no new capital. They make enough money off shareholder backs from the companies the leach off of (err.. lend to). They don't need to change their capital structure.
If any of them WANTED to go public, they could very easily do that in a heartbeat. They don't want to, that's why it hasn't happened. (And even better, why would they choose the Vaping retailer 'LIBE?')