KYC for big investors is already required in every project, even small investors are required to verify KYC but not as complex as big investors, and KYC for bounty is to avoid multiple account fraud
That was and is the reason for so many ICO's but you will later the question the legality of this KYC after the project is gone or gone scam you start to think what will happen to your vital information, because the project developers are nowhere to be found and they are not even legal in the country where they operate.