In the post the C9 said that they had 1000s of business offline for days. Now with commercial customers many ISPs give some type of compensation for down time. If they had 1000s of commercial customers down for that long some of them may have been banks, hospitals, government agencies and other companies that need there feed.
It is very possible that this attack causing all service to be down for a long time could have caused a lot of underlining problems
In the post the C9 said that they had 1000s of business offline for days. Now with commercial customers many ISPs give some type of compensation for down time. If they had 1000s of commercial customers down for that long some of them may have been banks, hospitals, government agencies and other companies that need there feed. It is very possible that this attack causing all service to be down for a long time could have caused a lot of underlining problems