Originally Posted by Jarmusch

They compare the name/address you fill in with the whois info of the sample url you provide, and quite possibly the whois info of the domain of the email address you use to register. Also they check to see if your site is in english language and has legal content. I guess the main reason for doing this is to make sure you're not a surfer trying to get all the fhg's and free content of the sponsor.

But I do agree, it's annoying.