Is it illegal to give away money to followers?

What if I said I would give 1 ETH to a randomly chosen follower this Friday? 

Screw it, let's do it. I'm gonna give someone 1 ETH on Friday. 

Only rule: Must Recast this post with what you'd do with the ETH

I will launch my pre-planned project about scam alert which basically will be a safegurds for newcomers in crypto world. Mostly farming and airdrops are full of scams right, i wanna demolish them by reviewing system, so all project will have points based on their previous step.

Great initiative! Protecting newcomers in the crypto world from scams is crucial for building trust and ensuring safety. A review system with points for projects is a smart way to help users make informed decisions. Best of luck with your project!