Well even in private sales they do KYC even more so because in private sales its normally larger sums of money that require heavy KYC to assure the money didn't break any AML. It's actually smaller investments that tend to be the ones that need less stringent KYC.
yeah, nobody would want to invest a large sum of money only to lose that to hackers or scammers with KYC investors can be rest assured their investment is protected