They gave away coins for posting on social media etc...

I think its a smart form of airdrop to build a userbase and do marketing. Myself I don't have problem with this.

Honestly I don't know what to think of Hadron.

I don't like that they call 'mining' a process that has nothing to do with normal miners job and 'staking' payouts. Crunchers should be rewarded for work done, not for holding tokens. And most of all, I don't get what kind of work they hope to have in the network - only AI execution?