All the current best airdrop websites have been posted but I am thinking that the best of the airdrop website is yet to be made, we need airdrop websites that guarantee payment, lists only good project and protect the value of airdrop to make it worthy of the advertised amount.
What your saying is already possible and infact it did already happened because there are now sites that only list good airdrops while some list all kinds of airdrops ( whether its a kyc based or not ) i did test some of those and i have succesfully recieve some coins but the problem is that other coins that i recieve still dont have a value or they might be not listed to an exchange while others do aready have a value but it wont grow no matter how long i hodl them . The bottom line is that sites cannot guarantee the success or the faith of the airdrops .