They mentioned that there is a botnet of about 50000 computers that are infected which composed the attack.
It would be helpful if they provided a method for users to check to make sure that their systems are not part of this.
AFAIK,
you can only sue for proven lost revenues,
and the most you can get from Google is the proven profits
generated from the advertising on the site.
(IMO, their stuff is not worth what they are suing for)
YouTube is just too convenient.
If you really want to watch their stuff, ust get a Tivo.
(or build your own using opensource software)