in my opinion only bounties are still feasible, airdrop just wastes your time. but if there is a bounty and airdrop that has been running like BCNEX then this is a good mix to continue. both are feasible if done together.
Not really. Conditions for receiving prizes from airdrop projects are often very simple and easy. Airdrop often to promote their projects. So, whether or not to join is your right ...