There are trusted airdrop that is available out there but it will be very difficult for you to be able to understanding because 90% of AirDrop are not always true that is why it seems like all of them are scam.
Exactly - that is actually the point that we are trying to stress here because when you have something that is 90% full of scam is going to be very difficult for you to get the 10% that are not scam.