Some bounties requires KYC while some don't. It's just to ascertain that you don't belong to countries that are restricted in crypto activities because of their laws.
In my opinion, so that the ICO team is not responsible for the fact that someone became a member of the ICO from countries whose governments forbid their citizens to participate in the ICO, it’s enough to warn them in their documents and that everyone who joins should press the appropriate option that he knows that. It does not necessarily require confidential data from us. In addition, bounty hunters cannot be considered as clients of ICO projects at all, since they do not invest their money in ICO projects.
However, in any case, a KYC check should be carried out for bounty hunters before joining the ICO signature campaign so that everyone can assess their ability to pass such a check. For example, I can not provide documents confirming the fact of residence at the place of registration. since I live at the place of registration. Therefore, to work for free, then at the end of the ICO to find out that I will not be able to get through KYC, I do not agree.