Their website shows a really active set of participating TXs, receiving a return tenfold TX. There are simulated TXs on the site just about every minute. If you explore the LTC TXs for the provided address on a real explorer, there are only 35 TXs with an aggregate of 970 received LTC.

Not that it is really necessary to go to the trouble of looking at the TXs, since the conditions of the airdrop are ridiculous to start with. Even so, it looks like 35 people have fallen for it over the last month ...