Re: "Whois" is already basically worthless
While I agree with the underlying issue, its still has some uses other than what you've presented.
When I was working at my country's national CERT, we'd receive lists of potentially vulnerable/infected IPs, and we would try (best effort) to reach out to the owners of those device to help them. For many, we didn't have much more to go on than the whois information.
Not reliable, but better than nothing.