No, because there was no phishing or scam. Gembitz is just mad he missed it. All you needed to sign up for the airdrop was a social media account with some significant posting history. Could people have received multiple airdrops? Probably. But if you're paranoid in general about not leaking identity on social media then there would have been no way for the airdrop to reveal additional info about yourself. I don't know why he always lumps Bittrex in to his claims.