Though I don't do Airdrops anymore. But when I was a newbie, I remember, There were many good Airdrops! And maximum Airdrops was valuable. Some Airdrops hadn't any ICO or crowdsale, but they are still in the market.
At the present time, Getting a good airdrop is like getting a moon on hand! But Your point of view is very much good. I can ensure you if you follow these tips then you can easily avoid scam, shit Airdrops.
Nowadays even some projects are doing ICD instead of Airdrops or crowdsale.I really like "getting a moon on hand" comment.btw thanks for your thoughts.