Gain free crypto its nice dn would be an investment in that project for the future, i just hodl all tokens i received from Airdrops for some months so i can decide to sell out or not
Joining in Airdrops sometimes means in part be an INVESTOR of that project in someways...so if you liked thw project you can also invest in it if you want to risk more, but of course take a look in depht for trustin projects and devs