There is totally nothing wrong with basic KYC which only requires your ID and selfie holding it, and to be honest I think it is a must in all campaign to avoid those that abuse the campaigns and they are a lot, those multi accounters and cheaters is the only one who will get affected by this, if you are an honest person and not multi-accounting why you should be worried about that!!? I know that some people value their privacy a lot but what if that this is the only way to fight multi-accounting and cheaters?
I guess that's the only pros for having kyc, it should be done to caught cheaters thus abusers. And those who worked good will be rewarded from what they deserve.
With that being said, it still should be announced clearly before the beginning of the bounty that KYC is required.
Definitely, so if you don't want to go through the kyc then don't join, neither no one will force you no matter how attractive and promising the project.