The dangers for each protocols, Compound and Aave, and maybe different DeFi lenders, are comparable: Airdrop speculators might suction up ETH deposits thereby creating liquidity constraints for different customers. Certainly, different DeFi protocols are seeing customers swap out ETH-derivatives, like Lido’s staked ETH (stETH), which received’t obtain airdrops and is now buying and selling at a major low cost, for ETH, which is able to.