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It's not really a script kiddie if it's an original exploit, and is still a vulnerability that has cost businesses money.

What is your source for that info?

Also, whether or not it cost the business money has nothing to do with the quality of the break-in.

Who cares about the quality or the skill it took? If it's an unskilled attack, it's even worse. If script kiddies can break into your site, your security is alarmingly poor.

The things that matter during an attack: how much damage was caused, what kind of data was compromised, and how much it will cost to get things fixed. The quality of the attack is only a factor when it comes to cost/benefit of fixing the vulnerability.

My first comment actually addresses each of your points.

My entire dashboard was filled with these worm posts an hour ago, and hit a number of major sites.

"Script-kiddies" don't author exploits, or discover vulnerabilities.