hd49728 - Maybe You don't understand what I mean. I Think Airdrop is different from giveaway cmmiw. It's just a research brot. and We can avoid any scam project by my guide, and also we don't need any capital to do the testnet/airdrop, it's totally free. Because it is too risky if the airdrop/testnet need a capital(money).
He is pertaining to an airdrop here in the forum which is a literal giveaway of tokens to forum members that is completely different to what you are describing. Probably, he is not aware on the current airdrop trend which happening on different blockchains.
The risk involved on this kind airdrop is there’s a chance that user might download apps with malware or be a victim of phishing scam since some user use their own wallet when participating on airdrop.