But why don't you find those beautiful airdrops once, whose only request was to communicate an address to receive the gift? 
Those olden golden days are gone for ever. Nowadays these airdrops are just for advertising purpose and nobody will benefit out of it. Not even projects are really benefitting out of those wasteful airdrops.
Those days will never return when airdrop means rewards which has been turned into a marketing tactic by fooling people out of it by rewarding something less than a Dollar and soon the concept of airdrop will die as users have learnt the lesson the hard way and bounty campaigns are following the same footstep and they are going to vanish from market as well.
What do you mean by airdrops and bounties will vanish? i think you don't know what airdrops and bounties does to new projects, its airdrops and bounties do nothing what do you think that makes new projects seeking for hunters with huge rewards? scam projects are invading no doubt but few projects still pays, the problem is many people thinks all projects are worth trying