Stupid domain names, why register?

I've been working on the Xavier Media whois service today and I needed to do some testing with unregistered domain names (I wanted to check the results users get when searching for unregistered domains) so I simply just did a whois look up on asdfasdfasdf.com. I believed that asdfasdfasdf.com was random enough to return a "Domain is available" result, but unfortunately the domain name was registered to ASDFASDFASDF.COM
c/o Whois IDentity Shield
142-757 W. Hastings St., Suite #777
Vancouver, BC
Canada V6C 1A1

Alright, one luck guess (or in my case unlucky). So i typed in another "random" domain name: asdfasdfasdfasdf.com. Unfortunately this one was also registered :( .

I simply just have to stop typing asdf to get "random" domain names so I added a couple of d's at the end of the last checked domain and got: asdfasdfasdfasdfddd.com

Believe it or not, but asdfasdfasdfasdfdddd.com is actually also registered. The big question now is why would anyone want to register any of the above mentioned domain names? My guess would simply be typein traffic from stupid programmers, but that can't be enough to pay your hosting fees or what do you think?

/Andreas