In order to accept that, you'd have to believe that "1234 Blah St., NoWhere WI" is a valid address.
As noted earlier, the website could have been registered with another firm in an "owner by proxy" arrangement that would have concealed their identities (unless a judge ordered the proxy to turn over the information).
Instead, the boycott-hollywood.us owners chose to violate the registration agreement by entering a bogus address. Their assertion that they were being threatened is not a legally valid excuse to breach the contract. William Morris complained to dotster.com, and dotster had no choice but to find that boycott-hollywood.us was in violation of the contract. Dotster probably sent the 15-day notice to the owners by USPS mail, but it was undeliverable due to the phony registration info.
The point is - complaining to dotster.com will do no good. boycott-hollywood.us simply needs to find a legitimate way to register their domain name.