Airdrops used to be easy, but now they take more effort. Some still pay well if you catch them early, but a lot end up being a waste of time. Many require too much personal info or money, and some never even launch.
Just a few hours ago, I got some airdropped tokens from MILK.
Is it worth it? Not at all at least on my part because I lend a certain amount of money (liquidity pool) to earn points and in the end, I earned pure dust.
It was very easy to earn a few years ago, but right now, there are many who are participating in these airdrops and the more that are participating, the lower the potential rewards that you can get. Nowadays, if you want to earn more tokens, you need to either deposit some money (liquidity pool), do some social tasks, or buy some NFT that's related to the project.
Overall, I will not say that ALL of the airdrops aren't worth this year, but most of them are. If I will give a number, maybe around 95%.