The airdrop is a good thing because it involves lots of people learning and using that new coin that is giving away these coins, by this not all these people will be active in using this coin but a small amount of them will start using this new coin, start trading and so on the value of this coin will get a higher value that it has before.
Tell us that story!
Anyone remember Auroracoin? That might teach you something about the "value" of airdrops 
Tell us that story!