I won't say worthless, but because of the state of the market, it might not seem like much. Also what I do about airdrops is I treat it like I'm actually trading. I check the worth in dollars, how feasible is the project, are they likely to sail through? If Yes, then i do it. otherwise, I sit it out. Time is precious and must be used judiciously. The time I was supposed to use to fill countless coins without a future, I just research on one and sit back.