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 would use it towards an oxygen machine for my mom. She has COPD and only 14% functionality of her lungs and seriously needs one.

You rock girl!
I hope you win!
If I do I might just split it with you!

Not joking.

If it is broke I like to fix it. Cars, relationships, lawn mowers, self esteem,  ...