Damn right, this is huge - HUGE, HUGE!
Now that a Federal court has ruled "Fair use" as part of going along w/ the DRM circumventing and IPhone jailbreaking, this is going EVEN further now. This is really going to upset some major corporations - i.e. Apple and UbiSoft.
I bet companies that have made $-galore off copy-protection schemes and invested $-galore into developing their own copy-protection schemes - Sony (w/ Securom), Tages, StarForce, etc - probably don't like this news, either.
I wouldn't be surprised if this all goes to The Supreme Court, some-time down the line.