No, this is only 2018 current condition. If I compare with last year (2017) there are many legit airdrops. Like BLUE, ELTCOIN, EREAL, BITWHITE, REBL, and many more. So, I can say 2018 is the worst time for airdrop. I think the last Airdrop which gives good token was POLYMATH.
2018 is really a worst case for airdrop as many people are grabbing the opportunity to get money.
they are giving out airdrop just to give value on their token and once in the exchange they will dump all their holdings.
this is easy money.