no its not the end of ICO's, Yes there are so many airdrops some airdrops are scam they want to input your information like your eth address and you forgot that you put a private key some members are mistakenly put their address, some of wallets that they want you to download and you don't know there is a trojan virus, but some airdrops are legit that I earned much money, but we should be careful what we put information.