Requiring KYC to bounties is a big tactics of ICO owners to steal tokens. Heres the scenario:
1.) You joined a bounty without knowing they will require a KYC later. And you do not have a passport or driver's license.
2.) You promoted the ICO twitter, facebook posts, and post on Bitcointalk in a timely manner. You created blog post for article postings.
3.) You got a high stakes for doing bounty on time.
4.) SNeaky bounty owners, requires KYC before coin distribution.
5.) You failed to submit kyc.
6.) All stakes allocated for you goes back to ICO owners.