New GDPR rules came into affect May 18, last year. Most registrars have chosen to redact whois data so as to keep with conformance, regardless of whether the business is based in EU or not, because their customers may still be in the EU.
It's all to do with privacy. Companies are now mandated to protect it from search engines or other methods.
Here's a couple links, and also lots of threads on NP on it.
That's great, greedy companies like godaddy can stop charging an arm and a leg for whois privacy when other good registrars like namecheap have been providing free whois. I don't how godaddy stays in business, marketing is king I guess. They have a big marketing budget.