What’s considered a great airdrop??

I’m pretty new to crypto compared to some, and I’m in RBIF that’s offering there holders :
1. USD 500 or more=> airdrop of $100
2. USD 1,000 or more => airdrop of $200
3. USD 1,500 or more => airdrop of $300

How does this compare to other airdrops?

https://www.coingecko.com/en/coins/robo-inu-finance

What’s considered a great airdrop??