A lot of depends from the project. Now gaming NFT projects attract a lot of attention and their airdrops are very popular. Just see the results of this airdrop
https://twitter.com/spacegrime/status/1396545308809601025 and you can see how popular gaming airdrops and how many users they have.
In games, airdrops are also held and are very popular, so it is not surprising that airdrops are held in NFT games, and NFT is awarded as a prize.
Players are already used to airdrops and for airdrops are not surprise. But thanks to NFT, you can get real money, and not a gaming cryptocurrency that can only be used in games. The opportunity to earn money on games attracts many gamers to cryptocurrencies.
In ordinary games on airdrops, you can get in-game values that can not be exchanged for real money, and in crypto airdrops, tokens are distributed that can be exchanged for real money.