I asked, and Lighter didn't have a KOL round. It's likely they'll only airdrop based on points in the future. 0G did have a KOL round, raising funds earlier at a valuation of 300-500 million, but few peers participated. Currently, the total floating profit is around 20x, roughly the same as the cost of participating in the node process. Tether's only legitimate subsidiary is Stable, a joint venture between Bitfinex and Tether, whose parent companies were reportedly once the same.