I think airdrop is the fairest distribution of remuneration, but I will take part in the bounty of the company with pleasure.
Unfortunately many people don't have enough time and forces to participate in bounty campaigns, therefore, such airdrop distribution will please such people.
They didn't launch any bounty but they announced the only airdrop but most people will start joining the campaign only there is a huge influence in the market. But didn't announce anything yet?